21911330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 46453176

約数和(自身を除く): 24541846

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 97, 98, 194, 245, 461, 485, 490, 679, 922, 970, 1358, 2305, 3227, 3395, 4610, 4753, 6454, 6790, 9506, 16135, 22589, 23765, 32270, 44717, 45178, 47530, 89434, 112945, 223585, 225890, 313019, 447170, 626038, 1565095, 2191133, 3130190, 4382266, 10955665, 21911330]

約数ペア:

[(1, 21911330), (2, 10955665), (5, 4382266), (7, 3130190), (10, 2191133), (14, 1565095), (35, 626038), (49, 447170), (70, 313019), (97, 225890), (98, 223585), (194, 112945), (245, 89434), (461, 47530), (485, 45178), (490, 44717), (679, 32270), (922, 23765), (970, 22589), (1358, 16135), (2305, 9506), (3227, 6790), (3395, 6454), (4610, 4753)]