21958790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{593}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 47301408

約数和(自身を除く): 25342618

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 529, 593, 805, 1058, 1186, 1610, 2645, 2965, 3703, 4151, 5290, 5930, 7406, 8302, 13639, 18515, 20755, 27278, 37030, 41510, 68195, 95473, 136390, 190946, 313697, 477365, 627394, 954730, 1568485, 2195879, 3136970, 4391758, 10979395, 21958790]

約数ペア:

[(1, 21958790), (2, 10979395), (5, 4391758), (7, 3136970), (10, 2195879), (14, 1568485), (23, 954730), (35, 627394), (46, 477365), (70, 313697), (115, 190946), (161, 136390), (230, 95473), (322, 68195), (529, 41510), (593, 37030), (805, 27278), (1058, 20755), (1186, 18515), (1610, 13639), (2645, 8302), (2965, 7406), (3703, 5930), (4151, 5290)]