21947360

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{599}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 52164000

約数和(自身を除く): 30216640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 599, 916, 1145, 1198, 1832, 2290, 2396, 2995, 3664, 4580, 4792, 5990, 7328, 9160, 9584, 11980, 18320, 19168, 23960, 36640, 47920, 95840, 137171, 274342, 548684, 685855, 1097368, 1371710, 2194736, 2743420, 4389472, 5486840, 10973680, 21947360]

約数ペア:

[(1, 21947360), (2, 10973680), (4, 5486840), (5, 4389472), (8, 2743420), (10, 2194736), (16, 1371710), (20, 1097368), (32, 685855), (40, 548684), (80, 274342), (160, 137171), (229, 95840), (458, 47920), (599, 36640), (916, 23960), (1145, 19168), (1198, 18320), (1832, 11980), (2290, 9584), (2396, 9160), (2995, 7328), (3664, 5990), (4580, 4792)]