21010200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 69448680

約数和(自身を除く): 48438480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 97, 100, 114, 120, 150, 152, 190, 194, 200, 228, 285, 291, 300, 361, 380, 388, 456, 475, 485, 570, 582, 600, 722, 760, 776, 950, 970, 1083, 1140, 1164, 1425, 1444, 1455, 1805, 1843, 1900, 1940, 2166, 2280, 2328, 2425, 2850, 2888, 2910, 3610, 3686, 3800, 3880, 4332, 4850, 5415, 5529, 5700, 5820, 7220, 7275, 7372, 8664, 9025, 9215, 9700, 10830, 11058, 11400, 11640, 14440, 14550, 14744, 18050, 18430, 19400, 21660, 22116, 27075, 27645, 29100, 35017, 36100, 36860, 43320, 44232, 46075, 54150, 55290, 58200, 70034, 72200, 73720, 92150, 105051, 108300, 110580, 138225, 140068, 175085, 184300, 210102, 216600, 221160, 276450, 280136, 350170, 368600, 420204, 525255, 552900, 700340, 840408, 875425, 1050510, 1105800, 1400680, 1750850, 2101020, 2626275, 3501700, 4202040, 5252550, 7003400, 10505100, 21010200]

約数ペア:

[(1, 21010200), (2, 10505100), (3, 7003400), (4, 5252550), (5, 4202040), (6, 3501700), (8, 2626275), (10, 2101020), (12, 1750850), (15, 1400680), (19, 1105800), (20, 1050510), (24, 875425), (25, 840408), (30, 700340), (38, 552900), (40, 525255), (50, 420204), (57, 368600), (60, 350170), (75, 280136), (76, 276450), (95, 221160), (97, 216600), (100, 210102), (114, 184300), (120, 175085), (150, 140068), (152, 138225), (190, 110580), (194, 108300), (200, 105051), (228, 92150), (285, 73720), (291, 72200), (300, 70034), (361, 58200), (380, 55290), (388, 54150), (456, 46075), (475, 44232), (485, 43320), (570, 36860), (582, 36100), (600, 35017), (722, 29100), (760, 27645), (776, 27075), (950, 22116), (970, 21660), (1083, 19400), (1140, 18430), (1164, 18050), (1425, 14744), (1444, 14550), (1455, 14440), (1805, 11640), (1843, 11400), (1900, 11058), (1940, 10830), (2166, 9700), (2280, 9215), (2328, 9025), (2425, 8664), (2850, 7372), (2888, 7275), (2910, 7220), (3610, 5820), (3686, 5700), (3800, 5529), (3880, 5415), (4332, 4850)]