21140003640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1439}}^1\times {\mathrm{17489}}^1$

素因数の和:18949

約数の個数: 128

約数和(自身を含む): 72534528000

約数和(自身を除く): 51394524360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1439, 2878, 4317, 5756, 7195, 8634, 10073, 11512, 14390, 17268, 17489, 20146, 21585, 28780, 30219, 34536, 34978, 40292, 43170, 50365, 52467, 57560, 60438, 69956, 80584, 86340, 87445, 100730, 104934, 120876, 122423, 139912, 151095, 172680, 174890, 201460, 209868, 241752, 244846, 262335, 302190, 349780, 367269, 402920, 419736, 489692, 524670, 604380, 612115, 699560, 734538, 979384, 1049340, 1208760, 1224230, 1469076, 1836345, 2098680, 2448460, 2938152, 3672690, 4896920, 7345380, 14690760, 25166671, 50333342, 75500013, 100666684, 125833355, 151000026, 176166697, 201333368, 251666710, 302000052, 352333394, 377500065, 503333420, 528500091, 604000104, 704666788, 755000130, 880833485, 1006666840, 1057000182, 1409333576, 1510000260, 1761666970, 2114000364, 2642500455, 3020000520, 3523333940, 4228000728, 5285000910, 7046667880, 10570001820, 21140003640]

約数ペア:

[(1, 21140003640), (2, 10570001820), (3, 7046667880), (4, 5285000910), (5, 4228000728), (6, 3523333940), (7, 3020000520), (8, 2642500455), (10, 2114000364), (12, 1761666970), (14, 1510000260), (15, 1409333576), (20, 1057000182), (21, 1006666840), (24, 880833485), (28, 755000130), (30, 704666788), (35, 604000104), (40, 528500091), (42, 503333420), (56, 377500065), (60, 352333394), (70, 302000052), (84, 251666710), (105, 201333368), (120, 176166697), (140, 151000026), (168, 125833355), (210, 100666684), (280, 75500013), (420, 50333342), (840, 25166671), (1439, 14690760), (2878, 7345380), (4317, 4896920), (5756, 3672690), (7195, 2938152), (8634, 2448460), (10073, 2098680), (11512, 1836345), (14390, 1469076), (17268, 1224230), (17489, 1208760), (20146, 1049340), (21585, 979384), (28780, 734538), (30219, 699560), (34536, 612115), (34978, 604380), (40292, 524670), (43170, 489692), (50365, 419736), (52467, 402920), (57560, 367269), (60438, 349780), (69956, 302190), (80584, 262335), (86340, 244846), (87445, 241752), (100730, 209868), (104934, 201460), (120876, 174890), (122423, 172680), (139912, 151095)]