21414525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 39158208

約数和(自身を除く): 17743683

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 101, 165, 257, 275, 303, 505, 771, 825, 1111, 1285, 1515, 2525, 2827, 3333, 3855, 5555, 6425, 7575, 8481, 14135, 16665, 19275, 25957, 27775, 42405, 70675, 77871, 83325, 129785, 212025, 285527, 389355, 648925, 856581, 1427635, 1946775, 4282905, 7138175, 21414525]

約数ペア:

[(1, 21414525), (3, 7138175), (5, 4282905), (11, 1946775), (15, 1427635), (25, 856581), (33, 648925), (55, 389355), (75, 285527), (101, 212025), (165, 129785), (257, 83325), (275, 77871), (303, 70675), (505, 42405), (771, 27775), (825, 25957), (1111, 19275), (1285, 16665), (1515, 14135), (2525, 8481), (2827, 7575), (3333, 6425), (3855, 5555)]