21367320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13697}}^1$

素因数の和:13724

約数の個数: 64

約数和(自身を含む): 69037920

約数和(自身を除く): 47670600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 13697, 27394, 41091, 54788, 68485, 82182, 109576, 136970, 164364, 178061, 205455, 273940, 328728, 356122, 410910, 534183, 547880, 712244, 821820, 890305, 1068366, 1424488, 1643640, 1780610, 2136732, 2670915, 3561220, 4273464, 5341830, 7122440, 10683660, 21367320]

約数ペア:

[(1, 21367320), (2, 10683660), (3, 7122440), (4, 5341830), (5, 4273464), (6, 3561220), (8, 2670915), (10, 2136732), (12, 1780610), (13, 1643640), (15, 1424488), (20, 1068366), (24, 890305), (26, 821820), (30, 712244), (39, 547880), (40, 534183), (52, 410910), (60, 356122), (65, 328728), (78, 273940), (104, 205455), (120, 178061), (130, 164364), (156, 136970), (195, 109576), (260, 82182), (312, 68485), (390, 54788), (520, 41091), (780, 27394), (1560, 13697)]