21727590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 54853632

約数和(自身を除く): 33126042

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 93, 122, 155, 183, 186, 305, 310, 366, 383, 465, 610, 766, 915, 930, 1149, 1830, 1891, 1915, 2298, 3782, 3830, 5673, 5745, 9455, 11346, 11490, 11873, 18910, 23363, 23746, 28365, 35619, 46726, 56730, 59365, 70089, 71238, 116815, 118730, 140178, 178095, 233630, 350445, 356190, 700890, 724253, 1448506, 2172759, 3621265, 4345518, 7242530, 10863795, 21727590]

約数ペア:

[(1, 21727590), (2, 10863795), (3, 7242530), (5, 4345518), (6, 3621265), (10, 2172759), (15, 1448506), (30, 724253), (31, 700890), (61, 356190), (62, 350445), (93, 233630), (122, 178095), (155, 140178), (183, 118730), (186, 116815), (305, 71238), (310, 70089), (366, 59365), (383, 56730), (465, 46726), (610, 35619), (766, 28365), (915, 23746), (930, 23363), (1149, 18910), (1830, 11873), (1891, 11490), (1915, 11346), (2298, 9455), (3782, 5745), (3830, 5673)]