21357492

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1733}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 54378240

約数和(自身を除く): 33020748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 79, 156, 158, 237, 316, 474, 948, 1027, 1733, 2054, 3081, 3466, 4108, 5199, 6162, 6932, 10398, 12324, 20796, 22529, 45058, 67587, 90116, 135174, 136907, 270348, 273814, 410721, 547628, 821442, 1642884, 1779791, 3559582, 5339373, 7119164, 10678746, 21357492]

約数ペア:

[(1, 21357492), (2, 10678746), (3, 7119164), (4, 5339373), (6, 3559582), (12, 1779791), (13, 1642884), (26, 821442), (39, 547628), (52, 410721), (78, 273814), (79, 270348), (156, 136907), (158, 135174), (237, 90116), (316, 67587), (474, 45058), (948, 22529), (1027, 20796), (1733, 12324), (2054, 10398), (3081, 6932), (3466, 6162), (4108, 5199)]