21904080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8297}}^1$

素因数の和:8324

約数の個数: 80

約数和(自身を含む): 74084544

約数和(自身を除く): 52180464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8297, 16594, 24891, 33188, 41485, 49782, 66376, 82970, 91267, 99564, 124455, 132752, 165940, 182534, 199128, 248910, 273801, 331880, 365068, 398256, 456335, 497820, 547602, 663760, 730136, 912670, 995640, 1095204, 1369005, 1460272, 1825340, 1991280, 2190408, 2738010, 3650680, 4380816, 5476020, 7301360, 10952040, 21904080]

約数ペア:

[(1, 21904080), (2, 10952040), (3, 7301360), (4, 5476020), (5, 4380816), (6, 3650680), (8, 2738010), (10, 2190408), (11, 1991280), (12, 1825340), (15, 1460272), (16, 1369005), (20, 1095204), (22, 995640), (24, 912670), (30, 730136), (33, 663760), (40, 547602), (44, 497820), (48, 456335), (55, 398256), (60, 365068), (66, 331880), (80, 273801), (88, 248910), (110, 199128), (120, 182534), (132, 165940), (165, 132752), (176, 124455), (220, 99564), (240, 91267), (264, 82970), (330, 66376), (440, 49782), (528, 41485), (660, 33188), (880, 24891), (1320, 16594), (2640, 8297)]