21295696

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1327}}^1$

素因数の和:1411

約数の個数: 40

約数和(自身を含む): 44461440

約数和(自身を除く): 23165744

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 1327, 2006, 2654, 4012, 5308, 8024, 10616, 16048, 21232, 22559, 45118, 78293, 90236, 156586, 180472, 313172, 360944, 626344, 1252688, 1330981, 2661962, 5323924, 10647848, 21295696]

約数ペア:

[(1, 21295696), (2, 10647848), (4, 5323924), (8, 2661962), (16, 1330981), (17, 1252688), (34, 626344), (59, 360944), (68, 313172), (118, 180472), (136, 156586), (236, 90236), (272, 78293), (472, 45118), (944, 22559), (1003, 21232), (1327, 16048), (2006, 10616), (2654, 8024), (4012, 5308)]