21676830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1073

約数の個数: 64

約数和(自身を含む): 60065280

約数和(自身を除く): 38388450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 109, 210, 218, 327, 545, 654, 763, 947, 1090, 1526, 1635, 1894, 2289, 2841, 3270, 3815, 4578, 4735, 5682, 6629, 7630, 9470, 11445, 13258, 14205, 19887, 22890, 28410, 33145, 39774, 66290, 99435, 103223, 198870, 206446, 309669, 516115, 619338, 722561, 1032230, 1445122, 1548345, 2167683, 3096690, 3612805, 4335366, 7225610, 10838415, 21676830]

約数ペア:

[(1, 21676830), (2, 10838415), (3, 7225610), (5, 4335366), (6, 3612805), (7, 3096690), (10, 2167683), (14, 1548345), (15, 1445122), (21, 1032230), (30, 722561), (35, 619338), (42, 516115), (70, 309669), (105, 206446), (109, 198870), (210, 103223), (218, 99435), (327, 66290), (545, 39774), (654, 33145), (763, 28410), (947, 22890), (1090, 19887), (1526, 14205), (1635, 13258), (1894, 11445), (2289, 9470), (2841, 7630), (3270, 6629), (3815, 5682), (4578, 4735)]