21973250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6761}}^1$

素因数の和:6791

約数の個数: 32

約数和(自身を含む): 44304624

約数和(自身を除く): 22331374

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6761, 13522, 33805, 67610, 87893, 169025, 175786, 338050, 439465, 845125, 878930, 1690250, 2197325, 4394650, 10986625, 21973250]

約数ペア:

[(1, 21973250), (2, 10986625), (5, 4394650), (10, 2197325), (13, 1690250), (25, 878930), (26, 845125), (50, 439465), (65, 338050), (125, 175786), (130, 169025), (250, 87893), (325, 67610), (650, 33805), (1625, 13522), (3250, 6761)]