21327660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2521}}^1$

素因数の和:2583

約数の個数: 72

約数和(自身を含む): 66096576

約数和(自身を除く): 44768916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2521, 2820, 4230, 5042, 7563, 8460, 10084, 12605, 15126, 22689, 25210, 30252, 37815, 45378, 50420, 75630, 90756, 113445, 118487, 151260, 226890, 236974, 355461, 453780, 473948, 592435, 710922, 1066383, 1184870, 1421844, 1777305, 2132766, 2369740, 3554610, 4265532, 5331915, 7109220, 10663830, 21327660]

約数ペア:

[(1, 21327660), (2, 10663830), (3, 7109220), (4, 5331915), (5, 4265532), (6, 3554610), (9, 2369740), (10, 2132766), (12, 1777305), (15, 1421844), (18, 1184870), (20, 1066383), (30, 710922), (36, 592435), (45, 473948), (47, 453780), (60, 355461), (90, 236974), (94, 226890), (141, 151260), (180, 118487), (188, 113445), (235, 90756), (282, 75630), (423, 50420), (470, 45378), (564, 37815), (705, 30252), (846, 25210), (940, 22689), (1410, 15126), (1692, 12605), (2115, 10084), (2521, 8460), (2820, 7563), (4230, 5042)]