21085896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3557}}^1$

素因数の和:3598

約数の個数: 64

約数和(自身を含む): 59774400

約数和(自身を除く): 38688504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 3557, 5928, 7114, 10671, 14228, 21342, 28456, 42684, 46241, 67583, 85368, 92482, 135166, 138723, 184964, 202749, 270332, 277446, 369928, 405498, 540664, 554892, 810996, 878579, 1109784, 1621992, 1757158, 2635737, 3514316, 5271474, 7028632, 10542948, 21085896]

約数ペア:

[(1, 21085896), (2, 10542948), (3, 7028632), (4, 5271474), (6, 3514316), (8, 2635737), (12, 1757158), (13, 1621992), (19, 1109784), (24, 878579), (26, 810996), (38, 554892), (39, 540664), (52, 405498), (57, 369928), (76, 277446), (78, 270332), (104, 202749), (114, 184964), (152, 138723), (156, 135166), (228, 92482), (247, 85368), (312, 67583), (456, 46241), (494, 42684), (741, 28456), (988, 21342), (1482, 14228), (1976, 10671), (2964, 7114), (3557, 5928)]