21000538800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{60139}}^1$

素因数の和:60260

約数の個数: 180

約数和(自身を含む): 73630243960

約数和(自身を除く): 52629705160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 97, 100, 120, 144, 150, 180, 194, 200, 225, 240, 291, 300, 360, 388, 400, 450, 485, 582, 600, 720, 776, 873, 900, 970, 1164, 1200, 1455, 1552, 1746, 1800, 1940, 2328, 2425, 2910, 3492, 3600, 3880, 4365, 4656, 4850, 5820, 6984, 7275, 7760, 8730, 9700, 11640, 13968, 14550, 17460, 19400, 21825, 23280, 29100, 34920, 38800, 43650, 58200, 60139, 69840, 87300, 116400, 120278, 174600, 180417, 240556, 300695, 349200, 360834, 481112, 541251, 601390, 721668, 902085, 962224, 1082502, 1202780, 1443336, 1503475, 1804170, 2165004, 2405560, 2706255, 2886672, 3006950, 3608340, 4330008, 4510425, 4811120, 5412510, 5833483, 6013900, 7216680, 8660016, 9020850, 10825020, 11666966, 12027800, 13531275, 14433360, 17500449, 18041700, 21650040, 23333932, 24055600, 27062550, 29167415, 35000898, 36083400, 43300080, 46667864, 52501347, 54125100, 58334830, 70001796, 72166800, 87502245, 93335728, 105002694, 108250200, 116669660, 140003592, 145837075, 175004490, 210005388, 216500400, 233339320, 262506735, 280007184, 291674150, 350008980, 420010776, 437511225, 466678640, 525013470, 583348300, 700017960, 840021552, 875022450, 1050026940, 1166696600, 1312533675, 1400035920, 1750044900, 2100053880, 2333393200, 2625067350, 3500089800, 4200107760, 5250134700, 7000179600, 10500269400, 21000538800]

約数ペア:

[(1, 21000538800), (2, 10500269400), (3, 7000179600), (4, 5250134700), (5, 4200107760), (6, 3500089800), (8, 2625067350), (9, 2333393200), (10, 2100053880), (12, 1750044900), (15, 1400035920), (16, 1312533675), (18, 1166696600), (20, 1050026940), (24, 875022450), (25, 840021552), (30, 700017960), (36, 583348300), (40, 525013470), (45, 466678640), (48, 437511225), (50, 420010776), (60, 350008980), (72, 291674150), (75, 280007184), (80, 262506735), (90, 233339320), (97, 216500400), (100, 210005388), (120, 175004490), (144, 145837075), (150, 140003592), (180, 116669660), (194, 108250200), (200, 105002694), (225, 93335728), (240, 87502245), (291, 72166800), (300, 70001796), (360, 58334830), (388, 54125100), (400, 52501347), (450, 46667864), (485, 43300080), (582, 36083400), (600, 35000898), (720, 29167415), (776, 27062550), (873, 24055600), (900, 23333932), (970, 21650040), (1164, 18041700), (1200, 17500449), (1455, 14433360), (1552, 13531275), (1746, 12027800), (1800, 11666966), (1940, 10825020), (2328, 9020850), (2425, 8660016), (2910, 7216680), (3492, 6013900), (3600, 5833483), (3880, 5412510), (4365, 4811120), (4656, 4510425), (4850, 4330008), (5820, 3608340), (6984, 3006950), (7275, 2886672), (7760, 2706255), (8730, 2405560), (9700, 2165004), (11640, 1804170), (13968, 1503475), (14550, 1443336), (17460, 1202780), (19400, 1082502), (21825, 962224), (23280, 902085), (29100, 721668), (34920, 601390), (38800, 541251), (43650, 481112), (58200, 360834), (60139, 349200), (69840, 300695), (87300, 240556), (116400, 180417), (120278, 174600)]