21394836

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1069

約数の個数: 72

約数和(自身を含む): 58822400

約数和(自身を除く): 37427564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1009, 1116, 1178, 1767, 2018, 2356, 3027, 3534, 4036, 5301, 6054, 7068, 9081, 10602, 12108, 18162, 19171, 21204, 31279, 36324, 38342, 57513, 62558, 76684, 93837, 115026, 125116, 172539, 187674, 230052, 281511, 345078, 375348, 563022, 594301, 690156, 1126044, 1188602, 1782903, 2377204, 3565806, 5348709, 7131612, 10697418, 21394836]

約数ペア:

[(1, 21394836), (2, 10697418), (3, 7131612), (4, 5348709), (6, 3565806), (9, 2377204), (12, 1782903), (18, 1188602), (19, 1126044), (31, 690156), (36, 594301), (38, 563022), (57, 375348), (62, 345078), (76, 281511), (93, 230052), (114, 187674), (124, 172539), (171, 125116), (186, 115026), (228, 93837), (279, 76684), (342, 62558), (372, 57513), (558, 38342), (589, 36324), (684, 31279), (1009, 21204), (1116, 19171), (1178, 18162), (1767, 12108), (2018, 10602), (2356, 9081), (3027, 7068), (3534, 6054), (4036, 5301)]