21236436

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45377}}^1$

素因数の和:45400

約数の個数: 36

約数和(自身を含む): 57811572

約数和(自身を除く): 36575136

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45377, 90754, 136131, 181508, 272262, 408393, 544524, 589901, 816786, 1179802, 1633572, 1769703, 2359604, 3539406, 5309109, 7078812, 10618218, 21236436]

約数ペア:

[(1, 21236436), (2, 10618218), (3, 7078812), (4, 5309109), (6, 3539406), (9, 2359604), (12, 1769703), (13, 1633572), (18, 1179802), (26, 816786), (36, 589901), (39, 544524), (52, 408393), (78, 272262), (117, 181508), (156, 136131), (234, 90754), (468, 45377)]