21856952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7247}}^1$

素因数の和:7295

約数の個数: 32

約数和(自身を含む): 45662400

約数和(自身を除く): 23805448

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 7247, 14494, 28988, 57976, 94211, 188422, 210163, 376844, 420326, 753688, 840652, 1681304, 2732119, 5464238, 10928476, 21856952]

約数ペア:

[(1, 21856952), (2, 10928476), (4, 5464238), (8, 2732119), (13, 1681304), (26, 840652), (29, 753688), (52, 420326), (58, 376844), (104, 210163), (116, 188422), (232, 94211), (377, 57976), (754, 28988), (1508, 14494), (3016, 7247)]