21029250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2549}}^1$

素因数の和:2580

約数の個数: 64

約数和(自身を含む): 57283200

約数和(自身を除く): 36253950

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 125, 150, 165, 250, 275, 330, 375, 550, 750, 825, 1375, 1650, 2549, 2750, 4125, 5098, 7647, 8250, 12745, 15294, 25490, 28039, 38235, 56078, 63725, 76470, 84117, 127450, 140195, 168234, 191175, 280390, 318625, 382350, 420585, 637250, 700975, 841170, 955875, 1401950, 1911750, 2102925, 3504875, 4205850, 7009750, 10514625, 21029250]

約数ペア:

[(1, 21029250), (2, 10514625), (3, 7009750), (5, 4205850), (6, 3504875), (10, 2102925), (11, 1911750), (15, 1401950), (22, 955875), (25, 841170), (30, 700975), (33, 637250), (50, 420585), (55, 382350), (66, 318625), (75, 280390), (110, 191175), (125, 168234), (150, 140195), (165, 127450), (250, 84117), (275, 76470), (330, 63725), (375, 56078), (550, 38235), (750, 28039), (825, 25490), (1375, 15294), (1650, 12745), (2549, 8250), (2750, 7647), (4125, 5098)]