21503304

素因数分解:

$2^3\times 3^2\times {\mathrm{101}}^1\times {\mathrm{2957}}^1$

素因数の和:3070

約数の個数: 48

約数和(自身を含む): 58834620

約数和(自身を除く): 37331316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 101, 202, 303, 404, 606, 808, 909, 1212, 1818, 2424, 2957, 3636, 5914, 7272, 8871, 11828, 17742, 23656, 26613, 35484, 53226, 70968, 106452, 212904, 298657, 597314, 895971, 1194628, 1791942, 2389256, 2687913, 3583884, 5375826, 7167768, 10751652, 21503304]

約数ペア:

[(1, 21503304), (2, 10751652), (3, 7167768), (4, 5375826), (6, 3583884), (8, 2687913), (9, 2389256), (12, 1791942), (18, 1194628), (24, 895971), (36, 597314), (72, 298657), (101, 212904), (202, 106452), (303, 70968), (404, 53226), (606, 35484), (808, 26613), (909, 23656), (1212, 17742), (1818, 11828), (2424, 8871), (2957, 7272), (3636, 5914)]