21167805380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2931829}}^1$

素因数の和:2931876

約数の個数: 36

約数和(自身を含む): 46915143660

約数和(自身を除く): 25747338280

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 2931829, 5863658, 11727316, 14659145, 29318290, 55704751, 58636580, 111409502, 222819004, 278523755, 557047510, 1058390269, 1114095020, 2116780538, 4233561076, 5291951345, 10583902690, 21167805380]

約数ペア:

[(1, 21167805380), (2, 10583902690), (4, 5291951345), (5, 4233561076), (10, 2116780538), (19, 1114095020), (20, 1058390269), (38, 557047510), (76, 278523755), (95, 222819004), (190, 111409502), (361, 58636580), (380, 55704751), (722, 29318290), (1444, 14659145), (1805, 11727316), (3610, 5863658), (7220, 2931829)]