21630618

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{3889}}^1$

素因数の和:4003

約数の個数: 32

約数和(自身を含む): 48547200

約数和(自身を除く): 26916582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 206, 309, 618, 927, 1854, 2781, 3889, 5562, 7778, 11667, 23334, 35001, 70002, 105003, 210006, 400567, 801134, 1201701, 2403402, 3605103, 7210206, 10815309, 21630618]

約数ペア:

[(1, 21630618), (2, 10815309), (3, 7210206), (6, 3605103), (9, 2403402), (18, 1201701), (27, 801134), (54, 400567), (103, 210006), (206, 105003), (309, 70002), (618, 35001), (927, 23334), (1854, 11667), (2781, 7778), (3889, 5562)]