21738056

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 20174584

約数列:

[1, 2, 4, 8, 53, 106, 167, 212, 307, 334, 424, 614, 668, 1228, 1336, 2456, 8851, 16271, 17702, 32542, 35404, 51269, 65084, 70808, 102538, 130168, 205076, 410152, 2717257, 5434514, 10869028, 21738056]

約数ペア:

[(1, 21738056), (2, 10869028), (4, 5434514), (8, 2717257), (53, 410152), (106, 205076), (167, 130168), (212, 102538), (307, 70808), (334, 65084), (424, 51269), (614, 35404), (668, 32542), (1228, 17702), (1336, 16271), (2456, 8851)]