21318204

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3371}}^1$

素因数の和:3426

約数の個数: 48

約数和(自身を含む): 54383616

約数和(自身を除く): 33065412

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 51, 62, 68, 93, 102, 124, 186, 204, 372, 527, 1054, 1581, 2108, 3162, 3371, 6324, 6742, 10113, 13484, 20226, 40452, 57307, 104501, 114614, 171921, 209002, 229228, 313503, 343842, 418004, 627006, 687684, 1254012, 1776517, 3553034, 5329551, 7106068, 10659102, 21318204]

約数ペア:

[(1, 21318204), (2, 10659102), (3, 7106068), (4, 5329551), (6, 3553034), (12, 1776517), (17, 1254012), (31, 687684), (34, 627006), (51, 418004), (62, 343842), (68, 313503), (93, 229228), (102, 209002), (124, 171921), (186, 114614), (204, 104501), (372, 57307), (527, 40452), (1054, 20226), (1581, 13484), (2108, 10113), (3162, 6742), (3371, 6324)]