21660652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 43817760

約数和(自身を除く): 22157108

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 107, 214, 221, 229, 428, 442, 458, 884, 916, 1391, 1819, 2782, 2977, 3638, 3893, 5564, 5954, 7276, 7786, 11908, 15572, 23647, 24503, 47294, 49006, 50609, 94588, 98012, 101218, 202436, 318539, 416551, 637078, 833102, 1274156, 1666204, 5415163, 10830326, 21660652]

約数ペア:

[(1, 21660652), (2, 10830326), (4, 5415163), (13, 1666204), (17, 1274156), (26, 833102), (34, 637078), (52, 416551), (68, 318539), (107, 202436), (214, 101218), (221, 98012), (229, 94588), (428, 50609), (442, 49006), (458, 47294), (884, 24503), (916, 23647), (1391, 15572), (1819, 11908), (2782, 7786), (2977, 7276), (3638, 5954), (3893, 5564)]