21248040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16097}}^1$

素因数の和:16122

約数の個数: 64

約数和(自身を含む): 69543360

約数和(自身を除く): 48295320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16097, 32194, 48291, 64388, 80485, 96582, 128776, 160970, 177067, 193164, 241455, 321940, 354134, 386328, 482910, 531201, 643880, 708268, 885335, 965820, 1062402, 1416536, 1770670, 1931640, 2124804, 2656005, 3541340, 4249608, 5312010, 7082680, 10624020, 21248040]

約数ペア:

[(1, 21248040), (2, 10624020), (3, 7082680), (4, 5312010), (5, 4249608), (6, 3541340), (8, 2656005), (10, 2124804), (11, 1931640), (12, 1770670), (15, 1416536), (20, 1062402), (22, 965820), (24, 885335), (30, 708268), (33, 643880), (40, 531201), (44, 482910), (55, 386328), (60, 354134), (66, 321940), (88, 241455), (110, 193164), (120, 177067), (132, 160970), (165, 128776), (220, 96582), (264, 80485), (330, 64388), (440, 48291), (660, 32194), (1320, 16097)]