21029484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3169}}^1$

素因数の和:3262

約数の個数: 48

約数和(自身を含む): 56806400

約数和(自身を除く): 35776916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3169, 3318, 6338, 6636, 9507, 12676, 19014, 22183, 38028, 44366, 66549, 88732, 133098, 250351, 266196, 500702, 751053, 1001404, 1502106, 1752457, 3004212, 3504914, 5257371, 7009828, 10514742, 21029484]

約数ペア:

[(1, 21029484), (2, 10514742), (3, 7009828), (4, 5257371), (6, 3504914), (7, 3004212), (12, 1752457), (14, 1502106), (21, 1001404), (28, 751053), (42, 500702), (79, 266196), (84, 250351), (158, 133098), (237, 88732), (316, 66549), (474, 44366), (553, 38028), (948, 22183), (1106, 19014), (1659, 12676), (2212, 9507), (3169, 6636), (3318, 6338)]