21417756

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1567}}^1$

素因数の和:1658

約数の個数: 48

約数和(自身を含む): 53738496

約数和(自身を除く): 32320740

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 67, 68, 102, 134, 201, 204, 268, 402, 804, 1139, 1567, 2278, 3134, 3417, 4556, 4701, 6268, 6834, 9402, 13668, 18804, 26639, 53278, 79917, 104989, 106556, 159834, 209978, 314967, 319668, 419956, 629934, 1259868, 1784813, 3569626, 5354439, 7139252, 10708878, 21417756]

約数ペア:

[(1, 21417756), (2, 10708878), (3, 7139252), (4, 5354439), (6, 3569626), (12, 1784813), (17, 1259868), (34, 629934), (51, 419956), (67, 319668), (68, 314967), (102, 209978), (134, 159834), (201, 106556), (204, 104989), (268, 79917), (402, 53278), (804, 26639), (1139, 18804), (1567, 13668), (2278, 9402), (3134, 6834), (3417, 6268), (4556, 4701)]