21941118

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:319

約数の個数: 80

約数和(自身を含む): 53944704

約数和(自身を除く): 32003586

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 31, 34, 51, 54, 62, 81, 93, 102, 153, 162, 186, 257, 279, 306, 459, 514, 527, 558, 771, 837, 918, 1054, 1377, 1542, 1581, 1674, 2313, 2511, 2754, 3162, 4369, 4626, 4743, 5022, 6939, 7967, 8738, 9486, 13107, 13878, 14229, 15934, 20817, 23901, 26214, 28458, 39321, 41634, 42687, 47802, 71703, 78642, 85374, 117963, 135439, 143406, 215109, 235926, 270878, 353889, 406317, 430218, 645327, 707778, 812634, 1218951, 1290654, 2437902, 3656853, 7313706, 10970559, 21941118]

約数ペア:

[(1, 21941118), (2, 10970559), (3, 7313706), (6, 3656853), (9, 2437902), (17, 1290654), (18, 1218951), (27, 812634), (31, 707778), (34, 645327), (51, 430218), (54, 406317), (62, 353889), (81, 270878), (93, 235926), (102, 215109), (153, 143406), (162, 135439), (186, 117963), (257, 85374), (279, 78642), (306, 71703), (459, 47802), (514, 42687), (527, 41634), (558, 39321), (771, 28458), (837, 26214), (918, 23901), (1054, 20817), (1377, 15934), (1542, 14229), (1581, 13878), (1674, 13107), (2313, 9486), (2511, 8738), (2754, 7967), (3162, 6939), (4369, 5022), (4626, 4743)]