21660132

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3229}}^1$

素因数の和:3292

約数の個数: 48

約数和(自身を含む): 55711040

約数和(自身を除く): 34050908

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 3229, 3354, 6458, 6708, 9687, 12916, 19374, 38748, 41977, 83954, 125931, 138847, 167908, 251862, 277694, 416541, 503724, 555388, 833082, 1666164, 1805011, 3610022, 5415033, 7220044, 10830066, 21660132]

約数ペア:

[(1, 21660132), (2, 10830066), (3, 7220044), (4, 5415033), (6, 3610022), (12, 1805011), (13, 1666164), (26, 833082), (39, 555388), (43, 503724), (52, 416541), (78, 277694), (86, 251862), (129, 167908), (156, 138847), (172, 125931), (258, 83954), (516, 41977), (559, 38748), (1118, 19374), (1677, 12916), (2236, 9687), (3229, 6708), (3354, 6458)]