21554028

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 59164560

約数和(自身を除く): 37610532

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 41, 51, 68, 82, 102, 123, 153, 164, 204, 246, 306, 369, 492, 612, 697, 738, 859, 1394, 1476, 1718, 2091, 2577, 2788, 3436, 4182, 5154, 6273, 7731, 8364, 10308, 12546, 14603, 15462, 25092, 29206, 30924, 35219, 43809, 58412, 70438, 87618, 105657, 131427, 140876, 175236, 211314, 262854, 316971, 422628, 525708, 598723, 633942, 1197446, 1267884, 1796169, 2394892, 3592338, 5388507, 7184676, 10777014, 21554028]

約数ペア:

[(1, 21554028), (2, 10777014), (3, 7184676), (4, 5388507), (6, 3592338), (9, 2394892), (12, 1796169), (17, 1267884), (18, 1197446), (34, 633942), (36, 598723), (41, 525708), (51, 422628), (68, 316971), (82, 262854), (102, 211314), (123, 175236), (153, 140876), (164, 131427), (204, 105657), (246, 87618), (306, 70438), (369, 58412), (492, 43809), (612, 35219), (697, 30924), (738, 29206), (859, 25092), (1394, 15462), (1476, 14603), (1718, 12546), (2091, 10308), (2577, 8364), (2788, 7731), (3436, 6273), (4182, 5154)]