21296583

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 38937600

約数和(自身を除く): 17641017

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 79, 99, 231, 237, 389, 553, 693, 711, 869, 1167, 1659, 2607, 2723, 3501, 4279, 4977, 6083, 7821, 8169, 12837, 18249, 24507, 29953, 30731, 38511, 54747, 89859, 92193, 215117, 269577, 276579, 338041, 645351, 1014123, 1936053, 2366287, 3042369, 7098861, 21296583]

約数ペア:

[(1, 21296583), (3, 7098861), (7, 3042369), (9, 2366287), (11, 1936053), (21, 1014123), (33, 645351), (63, 338041), (77, 276579), (79, 269577), (99, 215117), (231, 92193), (237, 89859), (389, 54747), (553, 38511), (693, 30731), (711, 29953), (869, 24507), (1167, 18249), (1659, 12837), (2607, 8169), (2723, 7821), (3501, 6083), (4279, 4977)]