21490894144

素因数分解:

$2^6\times {\mathrm{18223}}^1\times {\mathrm{18427}}^1$

素因数の和:36662

約数の個数: 28

約数和(自身を含む): 42650647744

約数和(自身を除く): 21159753600

約数列:

[1, 2, 4, 8, 16, 32, 64, 18223, 18427, 36446, 36854, 72892, 73708, 145784, 147416, 291568, 294832, 583136, 589664, 1166272, 1179328, 335795221, 671590442, 1343180884, 2686361768, 5372723536, 10745447072, 21490894144]

約数ペア:

[(1, 21490894144), (2, 10745447072), (4, 5372723536), (8, 2686361768), (16, 1343180884), (32, 671590442), (64, 335795221), (18223, 1179328), (18427, 1166272), (36446, 589664), (36854, 583136), (72892, 294832), (73708, 291568), (145784, 147416)]