210828332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1021}}^1$

素因数の和:1087

約数の個数: 72

約数和(自身を含む): 457913232

約数和(自身を除く): 247084900

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 361, 418, 494, 572, 722, 836, 988, 1021, 1444, 2042, 2717, 3971, 4084, 4693, 5434, 7942, 9386, 10868, 11231, 13273, 15884, 18772, 19399, 22462, 26546, 38798, 44924, 51623, 53092, 77596, 103246, 146003, 206492, 213389, 252187, 292006, 368581, 426778, 504374, 584012, 737162, 853556, 1008748, 1474324, 2774057, 4054391, 4791553, 5548114, 8108782, 9583106, 11096228, 16217564, 19166212, 52707083, 105414166, 210828332]

約数ペア:

[(1, 210828332), (2, 105414166), (4, 52707083), (11, 19166212), (13, 16217564), (19, 11096228), (22, 9583106), (26, 8108782), (38, 5548114), (44, 4791553), (52, 4054391), (76, 2774057), (143, 1474324), (209, 1008748), (247, 853556), (286, 737162), (361, 584012), (418, 504374), (494, 426778), (572, 368581), (722, 292006), (836, 252187), (988, 213389), (1021, 206492), (1444, 146003), (2042, 103246), (2717, 77596), (3971, 53092), (4084, 51623), (4693, 44924), (5434, 38798), (7942, 26546), (9386, 22462), (10868, 19399), (11231, 18772), (13273, 15884)]