21914055

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 40974336

約数和(自身を除く): 19060281

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 683, 713, 1035, 1395, 2049, 2139, 3415, 3565, 6147, 6417, 10245, 10695, 15709, 21173, 30735, 32085, 47127, 63519, 78545, 105865, 141381, 190557, 235635, 317595, 486979, 706905, 952785, 1460937, 2434895, 4382811, 7304685, 21914055]

約数ペア:

[(1, 21914055), (3, 7304685), (5, 4382811), (9, 2434895), (15, 1460937), (23, 952785), (31, 706905), (45, 486979), (69, 317595), (93, 235635), (115, 190557), (155, 141381), (207, 105865), (279, 78545), (345, 63519), (465, 47127), (683, 32085), (713, 30735), (1035, 21173), (1395, 15709), (2049, 10695), (2139, 10245), (3415, 6417), (3565, 6147)]