21044337580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1902743}}^1$

素因数の和:1902838

約数の個数: 48

約数和(自身を含む): 51145758720

約数和(自身を除く): 30101421140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 1902743, 3805486, 7610972, 9513715, 13319201, 19027430, 26638402, 38054860, 53276804, 66596005, 133192010, 150316697, 266384020, 300633394, 601266788, 751583485, 1052216879, 1503166970, 2104433758, 3006333940, 4208867516, 5261084395, 10522168790, 21044337580]

約数ペア:

[(1, 21044337580), (2, 10522168790), (4, 5261084395), (5, 4208867516), (7, 3006333940), (10, 2104433758), (14, 1503166970), (20, 1052216879), (28, 751583485), (35, 601266788), (70, 300633394), (79, 266384020), (140, 150316697), (158, 133192010), (316, 66596005), (395, 53276804), (553, 38054860), (790, 26638402), (1106, 19027430), (1580, 13319201), (2212, 9513715), (2765, 7610972), (5530, 3805486), (11060, 1902743)]