21012100080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2824207}}^1$

素因数の和:2824254

約数の個数: 80

約数和(自身を含む): 67238744064

約数和(自身を除く): 46226643984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 2824207, 5648414, 8472621, 11296828, 14121035, 16945242, 22593656, 28242070, 33890484, 42363105, 45187312, 56484140, 67780968, 84726210, 87550417, 112968280, 135561936, 169452420, 175100834, 225936560, 262651251, 338904840, 350201668, 437752085, 525302502, 677809680, 700403336, 875504170, 1050605004, 1313256255, 1400806672, 1751008340, 2101210008, 2626512510, 3502016680, 4202420016, 5253025020, 7004033360, 10506050040, 21012100080]

約数ペア:

[(1, 21012100080), (2, 10506050040), (3, 7004033360), (4, 5253025020), (5, 4202420016), (6, 3502016680), (8, 2626512510), (10, 2101210008), (12, 1751008340), (15, 1400806672), (16, 1313256255), (20, 1050605004), (24, 875504170), (30, 700403336), (31, 677809680), (40, 525302502), (48, 437752085), (60, 350201668), (62, 338904840), (80, 262651251), (93, 225936560), (120, 175100834), (124, 169452420), (155, 135561936), (186, 112968280), (240, 87550417), (248, 84726210), (310, 67780968), (372, 56484140), (465, 45187312), (496, 42363105), (620, 33890484), (744, 28242070), (930, 22593656), (1240, 16945242), (1488, 14121035), (1860, 11296828), (2480, 8472621), (3720, 5648414), (7440, 2824207)]