21763928

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 41958000

約数和(自身を除く): 20194072

約数列:

[1, 2, 4, 8, 73, 83, 146, 166, 292, 332, 449, 584, 664, 898, 1796, 3592, 6059, 12118, 24236, 32777, 37267, 48472, 65554, 74534, 131108, 149068, 262216, 298136, 2720491, 5440982, 10881964, 21763928]

約数ペア:

[(1, 21763928), (2, 10881964), (4, 5440982), (8, 2720491), (73, 298136), (83, 262216), (146, 149068), (166, 131108), (292, 74534), (332, 65554), (449, 48472), (584, 37267), (664, 32777), (898, 24236), (1796, 12118), (3592, 6059)]