21352428

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 108

約数和(自身を含む): 59911488

約数和(自身を除く): 38559060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 53, 57, 62, 76, 93, 106, 114, 124, 159, 171, 186, 212, 228, 279, 318, 342, 361, 372, 477, 558, 589, 636, 684, 722, 954, 1007, 1083, 1116, 1178, 1444, 1643, 1767, 1908, 2014, 2166, 2356, 3021, 3249, 3286, 3534, 4028, 4332, 4929, 5301, 6042, 6498, 6572, 7068, 9063, 9858, 10602, 11191, 12084, 12996, 14787, 18126, 19133, 19716, 21204, 22382, 29574, 31217, 33573, 36252, 38266, 44764, 57399, 59148, 62434, 67146, 76532, 93651, 100719, 114798, 124868, 134292, 172197, 187302, 201438, 229596, 280953, 344394, 374604, 402876, 561906, 593123, 688788, 1123812, 1186246, 1779369, 2372492, 3558738, 5338107, 7117476, 10676214, 21352428]

約数ペア:

[(1, 21352428), (2, 10676214), (3, 7117476), (4, 5338107), (6, 3558738), (9, 2372492), (12, 1779369), (18, 1186246), (19, 1123812), (31, 688788), (36, 593123), (38, 561906), (53, 402876), (57, 374604), (62, 344394), (76, 280953), (93, 229596), (106, 201438), (114, 187302), (124, 172197), (159, 134292), (171, 124868), (186, 114798), (212, 100719), (228, 93651), (279, 76532), (318, 67146), (342, 62434), (361, 59148), (372, 57399), (477, 44764), (558, 38266), (589, 36252), (636, 33573), (684, 31217), (722, 29574), (954, 22382), (1007, 21204), (1083, 19716), (1116, 19133), (1178, 18126), (1444, 14787), (1643, 12996), (1767, 12084), (1908, 11191), (2014, 10602), (2166, 9858), (2356, 9063), (3021, 7068), (3249, 6572), (3286, 6498), (3534, 6042), (4028, 5301), (4332, 4929)]