21880552

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3511}}^1$

素因数の和:3577

約数の個数: 32

約数和(自身を含む): 44251200

約数和(自身を除く): 22370648

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 3511, 6232, 7022, 14044, 28088, 66709, 133418, 143951, 266836, 287902, 533672, 575804, 1151608, 2735069, 5470138, 10940276, 21880552]

約数ペア:

[(1, 21880552), (2, 10940276), (4, 5470138), (8, 2735069), (19, 1151608), (38, 575804), (41, 533672), (76, 287902), (82, 266836), (152, 143951), (164, 133418), (328, 66709), (779, 28088), (1558, 14044), (3116, 7022), (3511, 6232)]