21525552

素因数分解:

$2^4\times 3^2\times {\mathrm{83}}^1\times {\mathrm{1801}}^1$

素因数の和:1898

約数の個数: 60

約数和(自身を含む): 61001304

約数和(自身を除く): 39475752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 83, 144, 166, 249, 332, 498, 664, 747, 996, 1328, 1494, 1801, 1992, 2988, 3602, 3984, 5403, 5976, 7204, 10806, 11952, 14408, 16209, 21612, 28816, 32418, 43224, 64836, 86448, 129672, 149483, 259344, 298966, 448449, 597932, 896898, 1195864, 1345347, 1793796, 2391728, 2690694, 3587592, 5381388, 7175184, 10762776, 21525552]

約数ペア:

[(1, 21525552), (2, 10762776), (3, 7175184), (4, 5381388), (6, 3587592), (8, 2690694), (9, 2391728), (12, 1793796), (16, 1345347), (18, 1195864), (24, 896898), (36, 597932), (48, 448449), (72, 298966), (83, 259344), (144, 149483), (166, 129672), (249, 86448), (332, 64836), (498, 43224), (664, 32418), (747, 28816), (996, 21612), (1328, 16209), (1494, 14408), (1801, 11952), (1992, 10806), (2988, 7204), (3602, 5976), (3984, 5403)]