21651216

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 58579584

約数和(自身を除く): 36928368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 73, 74, 111, 146, 148, 167, 219, 222, 292, 296, 334, 438, 444, 501, 584, 592, 668, 876, 888, 1002, 1168, 1336, 1752, 1776, 2004, 2672, 2701, 3504, 4008, 5402, 6179, 8016, 8103, 10804, 12191, 12358, 16206, 18537, 21608, 24382, 24716, 32412, 36573, 37074, 43216, 48764, 49432, 64824, 73146, 74148, 97528, 98864, 129648, 146292, 148296, 195056, 292584, 296592, 451067, 585168, 902134, 1353201, 1804268, 2706402, 3608536, 5412804, 7217072, 10825608, 21651216]

約数ペア:

[(1, 21651216), (2, 10825608), (3, 7217072), (4, 5412804), (6, 3608536), (8, 2706402), (12, 1804268), (16, 1353201), (24, 902134), (37, 585168), (48, 451067), (73, 296592), (74, 292584), (111, 195056), (146, 148296), (148, 146292), (167, 129648), (219, 98864), (222, 97528), (292, 74148), (296, 73146), (334, 64824), (438, 49432), (444, 48764), (501, 43216), (584, 37074), (592, 36573), (668, 32412), (876, 24716), (888, 24382), (1002, 21608), (1168, 18537), (1336, 16206), (1752, 12358), (1776, 12191), (2004, 10804), (2672, 8103), (2701, 8016), (3504, 6179), (4008, 5402)]