21905598

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 52141824

約数和(自身を除く): 30236226

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 211, 242, 286, 363, 422, 429, 633, 726, 858, 1266, 1331, 1573, 2321, 2662, 2743, 3146, 3993, 4642, 4719, 5486, 6963, 7986, 8229, 9438, 13926, 16458, 17303, 25531, 30173, 34606, 51062, 51909, 60346, 76593, 90519, 103818, 153186, 181038, 280841, 331903, 561682, 663806, 842523, 995709, 1685046, 1991418, 3650933, 7301866, 10952799, 21905598]

約数ペア:

[(1, 21905598), (2, 10952799), (3, 7301866), (6, 3650933), (11, 1991418), (13, 1685046), (22, 995709), (26, 842523), (33, 663806), (39, 561682), (66, 331903), (78, 280841), (121, 181038), (143, 153186), (211, 103818), (242, 90519), (286, 76593), (363, 60346), (422, 51909), (429, 51062), (633, 34606), (726, 30173), (858, 25531), (1266, 17303), (1331, 16458), (1573, 13926), (2321, 9438), (2662, 8229), (2743, 7986), (3146, 6963), (3993, 5486), (4642, 4719)]