21300102

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 49423920

約数和(自身を除く): 28123818

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 549, 1021, 1098, 1159, 2042, 2318, 3063, 3477, 6126, 6954, 9189, 10431, 18378, 19399, 20862, 38798, 58197, 62281, 116394, 124562, 174591, 186843, 349182, 373686, 560529, 1121058, 1183339, 2366678, 3550017, 7100034, 10650051, 21300102]

約数ペア:

[(1, 21300102), (2, 10650051), (3, 7100034), (6, 3550017), (9, 2366678), (18, 1183339), (19, 1121058), (38, 560529), (57, 373686), (61, 349182), (114, 186843), (122, 174591), (171, 124562), (183, 116394), (342, 62281), (366, 58197), (549, 38798), (1021, 20862), (1098, 19399), (1159, 18378), (2042, 10431), (2318, 9189), (3063, 6954), (3477, 6126)]