21636250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:952

約数の個数: 40

約数和(自身を含む): 42736320

約数和(自身を除く): 21100070

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 911, 950, 1250, 1822, 2375, 4555, 4750, 9110, 11875, 17309, 22775, 23750, 34618, 45550, 86545, 113875, 173090, 227750, 432725, 569375, 865450, 1138750, 2163625, 4327250, 10818125, 21636250]

約数ペア:

[(1, 21636250), (2, 10818125), (5, 4327250), (10, 2163625), (19, 1138750), (25, 865450), (38, 569375), (50, 432725), (95, 227750), (125, 173090), (190, 113875), (250, 86545), (475, 45550), (625, 34618), (911, 23750), (950, 22775), (1250, 17309), (1822, 11875), (2375, 9110), (4555, 4750)]