21620634

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 53001216

約数和(自身を除く): 31380582

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 107, 119, 214, 238, 283, 321, 357, 566, 642, 714, 749, 849, 1498, 1698, 1819, 1981, 2247, 3638, 3962, 4494, 4811, 5457, 5943, 9622, 10914, 11886, 12733, 14433, 25466, 28866, 30281, 33677, 38199, 60562, 67354, 76398, 90843, 101031, 181686, 202062, 211967, 423934, 514777, 635901, 1029554, 1271802, 1544331, 3088662, 3603439, 7206878, 10810317, 21620634]

約数ペア:

[(1, 21620634), (2, 10810317), (3, 7206878), (6, 3603439), (7, 3088662), (14, 1544331), (17, 1271802), (21, 1029554), (34, 635901), (42, 514777), (51, 423934), (102, 211967), (107, 202062), (119, 181686), (214, 101031), (238, 90843), (283, 76398), (321, 67354), (357, 60562), (566, 38199), (642, 33677), (714, 30281), (749, 28866), (849, 25466), (1498, 14433), (1698, 12733), (1819, 11886), (1981, 10914), (2247, 9622), (3638, 5943), (3962, 5457), (4494, 4811)]