21235290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3557}}^1$

素因数の和:3766

約数の個数: 32

約数和(自身を含む): 51235200

約数和(自身を除く): 29999910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 199, 398, 597, 995, 1194, 1990, 2985, 3557, 5970, 7114, 10671, 17785, 21342, 35570, 53355, 106710, 707843, 1415686, 2123529, 3539215, 4247058, 7078430, 10617645, 21235290]

約数ペア:

[(1, 21235290), (2, 10617645), (3, 7078430), (5, 4247058), (6, 3539215), (10, 2123529), (15, 1415686), (30, 707843), (199, 106710), (398, 53355), (597, 35570), (995, 21342), (1194, 17785), (1990, 10671), (2985, 7114), (3557, 5970)]