21894164

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{7853}}^1$

素因数の和:7915

約数の個数: 24

約数和(自身を含む): 41563368

約数和(自身を除く): 19669204

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 7853, 15706, 31412, 133501, 267002, 321973, 534004, 643946, 1287892, 5473541, 10947082, 21894164]

約数ペア:

[(1, 21894164), (2, 10947082), (4, 5473541), (17, 1287892), (34, 643946), (41, 534004), (68, 321973), (82, 267002), (164, 133501), (697, 31412), (1394, 15706), (2788, 7853)]