21422450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 46080384

約数和(自身を除く): 24657934

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 97, 175, 194, 350, 485, 631, 679, 970, 1262, 1358, 2425, 3155, 3395, 4417, 4850, 6310, 6790, 8834, 15775, 16975, 22085, 31550, 33950, 44170, 61207, 110425, 122414, 220850, 306035, 428449, 612070, 856898, 1530175, 2142245, 3060350, 4284490, 10711225, 21422450]

約数ペア:

[(1, 21422450), (2, 10711225), (5, 4284490), (7, 3060350), (10, 2142245), (14, 1530175), (25, 856898), (35, 612070), (50, 428449), (70, 306035), (97, 220850), (175, 122414), (194, 110425), (350, 61207), (485, 44170), (631, 33950), (679, 31550), (970, 22085), (1262, 16975), (1358, 15775), (2425, 8834), (3155, 6790), (3395, 6310), (4417, 4850)]