21671388

素因数分解:

$2^2\times 3^4\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:544

約数の個数: 60

約数和(自身を含む): 57101352

約数和(自身を除く): 35429964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 211, 317, 324, 422, 633, 634, 844, 951, 1266, 1268, 1899, 1902, 2532, 2853, 3798, 3804, 5697, 5706, 7596, 8559, 11394, 11412, 17091, 17118, 22788, 25677, 34182, 34236, 51354, 66887, 68364, 102708, 133774, 200661, 267548, 401322, 601983, 802644, 1203966, 1805949, 2407932, 3611898, 5417847, 7223796, 10835694, 21671388]

約数ペア:

[(1, 21671388), (2, 10835694), (3, 7223796), (4, 5417847), (6, 3611898), (9, 2407932), (12, 1805949), (18, 1203966), (27, 802644), (36, 601983), (54, 401322), (81, 267548), (108, 200661), (162, 133774), (211, 102708), (317, 68364), (324, 66887), (422, 51354), (633, 34236), (634, 34182), (844, 25677), (951, 22788), (1266, 17118), (1268, 17091), (1899, 11412), (1902, 11394), (2532, 8559), (2853, 7596), (3798, 5706), (3804, 5697)]