21029583720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2468261}}^1$

素因数の和:2468346

約数の個数: 64

約数和(自身を含む): 63977351040

約数和(自身を除く): 42947767320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 2468261, 4936522, 7404783, 9873044, 12341305, 14809566, 19746088, 24682610, 29619132, 37023915, 49365220, 59238264, 74047830, 98730440, 148095660, 175246531, 296191320, 350493062, 525739593, 700986124, 876232655, 1051479186, 1401972248, 1752465310, 2102958372, 2628697965, 3504930620, 4205916744, 5257395930, 7009861240, 10514791860, 21029583720]

約数ペア:

[(1, 21029583720), (2, 10514791860), (3, 7009861240), (4, 5257395930), (5, 4205916744), (6, 3504930620), (8, 2628697965), (10, 2102958372), (12, 1752465310), (15, 1401972248), (20, 1051479186), (24, 876232655), (30, 700986124), (40, 525739593), (60, 350493062), (71, 296191320), (120, 175246531), (142, 148095660), (213, 98730440), (284, 74047830), (355, 59238264), (426, 49365220), (568, 37023915), (710, 29619132), (852, 24682610), (1065, 19746088), (1420, 14809566), (1704, 12341305), (2130, 9873044), (2840, 7404783), (4260, 4936522), (8520, 2468261)]