21372817908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137005243}}^1$

素因数の和:137005263

約数の個数: 24

約数和(自身を含む): 53706055648

約数和(自身を除く): 32333237740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137005243, 274010486, 411015729, 548020972, 822031458, 1644062916, 1781068159, 3562136318, 5343204477, 7124272636, 10686408954, 21372817908]

約数ペア:

[(1, 21372817908), (2, 10686408954), (3, 7124272636), (4, 5343204477), (6, 3562136318), (12, 1781068159), (13, 1644062916), (26, 822031458), (39, 548020972), (52, 411015729), (78, 274010486), (156, 137005243)]