21985290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 59253120

約数和(自身を除く): 37267830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 107, 135, 214, 270, 321, 535, 642, 761, 963, 1070, 1522, 1605, 1926, 2283, 2889, 3210, 3805, 4566, 4815, 5778, 6849, 7610, 9630, 11415, 13698, 14445, 20547, 22830, 28890, 34245, 41094, 68490, 81427, 102735, 162854, 205470, 244281, 407135, 488562, 732843, 814270, 1221405, 1465686, 2198529, 2442810, 3664215, 4397058, 7328430, 10992645, 21985290]

約数ペア:

[(1, 21985290), (2, 10992645), (3, 7328430), (5, 4397058), (6, 3664215), (9, 2442810), (10, 2198529), (15, 1465686), (18, 1221405), (27, 814270), (30, 732843), (45, 488562), (54, 407135), (90, 244281), (107, 205470), (135, 162854), (214, 102735), (270, 81427), (321, 68490), (535, 41094), (642, 34245), (761, 28890), (963, 22830), (1070, 20547), (1522, 14445), (1605, 13698), (1926, 11415), (2283, 9630), (2889, 7610), (3210, 6849), (3805, 5778), (4566, 4815)]