21492424

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1097}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 42163200

約数和(自身を除く): 20670776

約数列:

[1, 2, 4, 8, 31, 62, 79, 124, 158, 248, 316, 632, 1097, 2194, 2449, 4388, 4898, 8776, 9796, 19592, 34007, 68014, 86663, 136028, 173326, 272056, 346652, 693304, 2686553, 5373106, 10746212, 21492424]

約数ペア:

[(1, 21492424), (2, 10746212), (4, 5373106), (8, 2686553), (31, 693304), (62, 346652), (79, 272056), (124, 173326), (158, 136028), (248, 86663), (316, 68014), (632, 34007), (1097, 19592), (2194, 9796), (2449, 8776), (4388, 4898)]