21816712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8443}}^1$

素因数の和:8485

約数の個数: 32

約数和(自身を含む): 45597600

約数和(自身を除く): 23780888

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8443, 16886, 33772, 67544, 143531, 160417, 287062, 320834, 574124, 641668, 1148248, 1283336, 2727089, 5454178, 10908356, 21816712]

約数ペア:

[(1, 21816712), (2, 10908356), (4, 5454178), (8, 2727089), (17, 1283336), (19, 1148248), (34, 641668), (38, 574124), (68, 320834), (76, 287062), (136, 160417), (152, 143531), (323, 67544), (646, 33772), (1292, 16886), (2584, 8443)]