21826250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:960

約数の個数: 40

約数和(自身を含む): 43111200

約数和(自身を除く): 21284950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 919, 950, 1250, 1838, 2375, 4595, 4750, 9190, 11875, 17461, 22975, 23750, 34922, 45950, 87305, 114875, 174610, 229750, 436525, 574375, 873050, 1148750, 2182625, 4365250, 10913125, 21826250]

約数ペア:

[(1, 21826250), (2, 10913125), (5, 4365250), (10, 2182625), (19, 1148750), (25, 873050), (38, 574375), (50, 436525), (95, 229750), (125, 174610), (190, 114875), (250, 87305), (475, 45950), (625, 34922), (919, 23750), (950, 22975), (1250, 17461), (1838, 11875), (2375, 9190), (4595, 4750)]