21572100075

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{349}}^1\times {\mathrm{7561}}^1$

素因数の和:8032

約数の個数: 48

約数和(自身を含む): 36100988000

約数和(自身を除く): 14528887925

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 349, 545, 1047, 1635, 1745, 2725, 5235, 7561, 8175, 8725, 22683, 26175, 37805, 38041, 113415, 114123, 189025, 190205, 567075, 570615, 824149, 951025, 2472447, 2638789, 2853075, 4120745, 7916367, 12362235, 13193945, 20603725, 39581835, 61811175, 65969725, 197909175, 287628001, 862884003, 1438140005, 4314420015, 7190700025, 21572100075]

約数ペア:

[(1, 21572100075), (3, 7190700025), (5, 4314420015), (15, 1438140005), (25, 862884003), (75, 287628001), (109, 197909175), (327, 65969725), (349, 61811175), (545, 39581835), (1047, 20603725), (1635, 13193945), (1745, 12362235), (2725, 7916367), (5235, 4120745), (7561, 2853075), (8175, 2638789), (8725, 2472447), (22683, 951025), (26175, 824149), (37805, 570615), (38041, 567075), (113415, 190205), (114123, 189025)]