21338616

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{5261}}^1$

素因数の和:5296

約数の個数: 48

約数和(自身を含む): 57776760

約数和(自身を除く): 36438144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 5261, 10522, 15783, 21044, 31566, 42088, 63132, 68393, 126264, 136786, 205179, 273572, 410358, 547144, 820716, 889109, 1641432, 1778218, 2667327, 3556436, 5334654, 7112872, 10669308, 21338616]

約数ペア:

[(1, 21338616), (2, 10669308), (3, 7112872), (4, 5334654), (6, 3556436), (8, 2667327), (12, 1778218), (13, 1641432), (24, 889109), (26, 820716), (39, 547144), (52, 410358), (78, 273572), (104, 205179), (156, 136786), (169, 126264), (312, 68393), (338, 63132), (507, 42088), (676, 31566), (1014, 21044), (1352, 15783), (2028, 10522), (4056, 5261)]