21367704

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 57484800

約数和(自身を除く): 36117096

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 47, 57, 76, 94, 114, 141, 152, 188, 228, 282, 376, 456, 564, 893, 997, 1128, 1786, 1994, 2679, 2991, 3572, 3988, 5358, 5982, 7144, 7976, 10716, 11964, 18943, 21432, 23928, 37886, 46859, 56829, 75772, 93718, 113658, 140577, 151544, 187436, 227316, 281154, 374872, 454632, 562308, 890321, 1124616, 1780642, 2670963, 3561284, 5341926, 7122568, 10683852, 21367704]

約数ペア:

[(1, 21367704), (2, 10683852), (3, 7122568), (4, 5341926), (6, 3561284), (8, 2670963), (12, 1780642), (19, 1124616), (24, 890321), (38, 562308), (47, 454632), (57, 374872), (76, 281154), (94, 227316), (114, 187436), (141, 151544), (152, 140577), (188, 113658), (228, 93718), (282, 75772), (376, 56829), (456, 46859), (564, 37886), (893, 23928), (997, 21432), (1128, 18943), (1786, 11964), (1994, 10716), (2679, 7976), (2991, 7144), (3572, 5982), (3988, 5358)]