21502030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4159}}^1$

素因数の和:4224

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 21628850

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 470, 517, 1034, 2585, 4159, 5170, 8318, 20795, 41590, 45749, 91498, 195473, 228745, 390946, 457490, 977365, 1954730, 2150203, 4300406, 10751015, 21502030]

約数ペア:

[(1, 21502030), (2, 10751015), (5, 4300406), (10, 2150203), (11, 1954730), (22, 977365), (47, 457490), (55, 390946), (94, 228745), (110, 195473), (235, 91498), (470, 45749), (517, 41590), (1034, 20795), (2585, 8318), (4159, 5170)]