21325200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1401

約数の個数: 120

約数和(自身を含む): 73620288

約数和(自身を除く): 52295088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1367, 1560, 1950, 2600, 2734, 3120, 3900, 4101, 5200, 5468, 6835, 7800, 8202, 10936, 13670, 15600, 16404, 17771, 20505, 21872, 27340, 32808, 34175, 35542, 41010, 53313, 54680, 65616, 68350, 71084, 82020, 88855, 102525, 106626, 109360, 136700, 142168, 164040, 177710, 205050, 213252, 266565, 273400, 284336, 328080, 355420, 410100, 426504, 444275, 533130, 546800, 710840, 820200, 853008, 888550, 1066260, 1332825, 1421680, 1640400, 1777100, 2132520, 2665650, 3554200, 4265040, 5331300, 7108400, 10662600, 21325200]

約数ペア:

[(1, 21325200), (2, 10662600), (3, 7108400), (4, 5331300), (5, 4265040), (6, 3554200), (8, 2665650), (10, 2132520), (12, 1777100), (13, 1640400), (15, 1421680), (16, 1332825), (20, 1066260), (24, 888550), (25, 853008), (26, 820200), (30, 710840), (39, 546800), (40, 533130), (48, 444275), (50, 426504), (52, 410100), (60, 355420), (65, 328080), (75, 284336), (78, 273400), (80, 266565), (100, 213252), (104, 205050), (120, 177710), (130, 164040), (150, 142168), (156, 136700), (195, 109360), (200, 106626), (208, 102525), (240, 88855), (260, 82020), (300, 71084), (312, 68350), (325, 65616), (390, 54680), (400, 53313), (520, 41010), (600, 35542), (624, 34175), (650, 32808), (780, 27340), (975, 21872), (1040, 20505), (1200, 17771), (1300, 16404), (1367, 15600), (1560, 13670), (1950, 10936), (2600, 8202), (2734, 7800), (3120, 6835), (3900, 5468), (4101, 5200)]