21583890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10427}}^1$

素因数の和:10463

約数の個数: 48

約数和(自身を含む): 58563648

約数和(自身を除く): 36979758

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 10427, 20854, 31281, 52135, 62562, 93843, 104270, 156405, 187686, 239821, 312810, 469215, 479642, 719463, 938430, 1199105, 1438926, 2158389, 2398210, 3597315, 4316778, 7194630, 10791945, 21583890]

約数ペア:

[(1, 21583890), (2, 10791945), (3, 7194630), (5, 4316778), (6, 3597315), (9, 2398210), (10, 2158389), (15, 1438926), (18, 1199105), (23, 938430), (30, 719463), (45, 479642), (46, 469215), (69, 312810), (90, 239821), (115, 187686), (138, 156405), (207, 104270), (230, 93843), (345, 62562), (414, 52135), (690, 31281), (1035, 20854), (2070, 10427)]