21010548447

素因数分解:

$3^4\times 7^2\times {\mathrm{461}}^1\times {\mathrm{11483}}^1$

素因数の和:11970

約数の個数: 60

約数和(自身を含む): 36592778376

約数和(自身を除く): 15582229929

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 461, 567, 1323, 1383, 3227, 3969, 4149, 9681, 11483, 12447, 22589, 29043, 34449, 37341, 67767, 80381, 87129, 103347, 203301, 241143, 261387, 310041, 562667, 609903, 723429, 930123, 1688001, 1829709, 2170287, 5064003, 5293663, 6510861, 15192009, 15880989, 37055641, 45576027, 47642967, 111166923, 142928901, 259389487, 333500769, 428786703, 778168461, 1000502307, 2334505383, 3001506921, 7003516149, 21010548447]

約数ペア:

[(1, 21010548447), (3, 7003516149), (7, 3001506921), (9, 2334505383), (21, 1000502307), (27, 778168461), (49, 428786703), (63, 333500769), (81, 259389487), (147, 142928901), (189, 111166923), (441, 47642967), (461, 45576027), (567, 37055641), (1323, 15880989), (1383, 15192009), (3227, 6510861), (3969, 5293663), (4149, 5064003), (9681, 2170287), (11483, 1829709), (12447, 1688001), (22589, 930123), (29043, 723429), (34449, 609903), (37341, 562667), (67767, 310041), (80381, 261387), (87129, 241143), (103347, 203301)]