21399360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{22291}}^1$

素因数の和:22311

約数の個数: 56

約数和(自身を含む): 67946016

約数和(自身を除く): 46546656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 22291, 44582, 66873, 89164, 111455, 133746, 178328, 222910, 267492, 334365, 356656, 445820, 534984, 668730, 713312, 891640, 1069968, 1337460, 1426624, 1783280, 2139936, 2674920, 3566560, 4279872, 5349840, 7133120, 10699680, 21399360]

約数ペア:

[(1, 21399360), (2, 10699680), (3, 7133120), (4, 5349840), (5, 4279872), (6, 3566560), (8, 2674920), (10, 2139936), (12, 1783280), (15, 1426624), (16, 1337460), (20, 1069968), (24, 891640), (30, 713312), (32, 668730), (40, 534984), (48, 445820), (60, 356656), (64, 334365), (80, 267492), (96, 222910), (120, 178328), (160, 133746), (192, 111455), (240, 89164), (320, 66873), (480, 44582), (960, 22291)]