21357198

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 48050496

約数和(自身を除く): 26693298

約数列:

[1, 2, 3, 6, 9, 18, 53, 61, 106, 122, 159, 183, 318, 366, 367, 477, 549, 734, 954, 1098, 1101, 2202, 3233, 3303, 6466, 6606, 9699, 19398, 19451, 22387, 29097, 38902, 44774, 58194, 58353, 67161, 116706, 134322, 175059, 201483, 350118, 402966, 1186511, 2373022, 3559533, 7119066, 10678599, 21357198]

約数ペア:

[(1, 21357198), (2, 10678599), (3, 7119066), (6, 3559533), (9, 2373022), (18, 1186511), (53, 402966), (61, 350118), (106, 201483), (122, 175059), (159, 134322), (183, 116706), (318, 67161), (366, 58353), (367, 58194), (477, 44774), (549, 38902), (734, 29097), (954, 22387), (1098, 19451), (1101, 19398), (2202, 9699), (3233, 6606), (3303, 6466)]