21773778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 50077440

約数和(自身を除く): 28303662

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 53, 69, 78, 106, 138, 159, 229, 299, 318, 458, 598, 687, 689, 897, 1219, 1374, 1378, 1794, 2067, 2438, 2977, 3657, 4134, 5267, 5954, 7314, 8931, 10534, 12137, 15801, 15847, 17862, 24274, 31602, 31694, 36411, 47541, 68471, 72822, 95082, 136942, 157781, 205413, 279151, 315562, 410826, 473343, 558302, 837453, 946686, 1674906, 3628963, 7257926, 10886889, 21773778]

約数ペア:

[(1, 21773778), (2, 10886889), (3, 7257926), (6, 3628963), (13, 1674906), (23, 946686), (26, 837453), (39, 558302), (46, 473343), (53, 410826), (69, 315562), (78, 279151), (106, 205413), (138, 157781), (159, 136942), (229, 95082), (299, 72822), (318, 68471), (458, 47541), (598, 36411), (687, 31694), (689, 31602), (897, 24274), (1219, 17862), (1374, 15847), (1378, 15801), (1794, 12137), (2067, 10534), (2438, 8931), (2977, 7314), (3657, 5954), (4134, 5267)]