21173790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 58988160

約数和(自身を除く): 37814370

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 55, 57, 66, 95, 110, 114, 121, 165, 190, 209, 242, 285, 307, 330, 363, 418, 570, 605, 614, 627, 726, 921, 1045, 1210, 1254, 1535, 1815, 1842, 2090, 2299, 3070, 3135, 3377, 3630, 4598, 4605, 5833, 6270, 6754, 6897, 9210, 10131, 11495, 11666, 13794, 16885, 17499, 20262, 22990, 29165, 33770, 34485, 34998, 37147, 50655, 58330, 64163, 68970, 74294, 87495, 101310, 111441, 128326, 174990, 185735, 192489, 222882, 320815, 371470, 384978, 557205, 641630, 705793, 962445, 1114410, 1411586, 1924890, 2117379, 3528965, 4234758, 7057930, 10586895, 21173790]

約数ペア:

[(1, 21173790), (2, 10586895), (3, 7057930), (5, 4234758), (6, 3528965), (10, 2117379), (11, 1924890), (15, 1411586), (19, 1114410), (22, 962445), (30, 705793), (33, 641630), (38, 557205), (55, 384978), (57, 371470), (66, 320815), (95, 222882), (110, 192489), (114, 185735), (121, 174990), (165, 128326), (190, 111441), (209, 101310), (242, 87495), (285, 74294), (307, 68970), (330, 64163), (363, 58330), (418, 50655), (570, 37147), (605, 34998), (614, 34485), (627, 33770), (726, 29165), (921, 22990), (1045, 20262), (1210, 17499), (1254, 16885), (1535, 13794), (1815, 11666), (1842, 11495), (2090, 10131), (2299, 9210), (3070, 6897), (3135, 6754), (3377, 6270), (3630, 5833), (4598, 4605)]