21943908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 66696448

約数和(自身を除く): 44752540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 53, 62, 63, 84, 93, 106, 124, 126, 159, 186, 212, 217, 252, 279, 318, 371, 372, 434, 477, 558, 636, 651, 742, 868, 954, 1113, 1116, 1302, 1484, 1643, 1908, 1953, 2226, 2604, 2809, 3286, 3339, 3906, 4452, 4929, 5618, 6572, 6678, 7812, 8427, 9858, 11236, 11501, 13356, 14787, 16854, 19663, 19716, 23002, 25281, 29574, 33708, 34503, 39326, 46004, 50562, 58989, 59148, 69006, 78652, 87079, 101124, 103509, 117978, 138012, 174158, 176967, 207018, 235956, 261237, 348316, 353934, 414036, 522474, 609553, 707868, 783711, 1044948, 1219106, 1567422, 1828659, 2438212, 3134844, 3657318, 5485977, 7314636, 10971954, 21943908]

約数ペア:

[(1, 21943908), (2, 10971954), (3, 7314636), (4, 5485977), (6, 3657318), (7, 3134844), (9, 2438212), (12, 1828659), (14, 1567422), (18, 1219106), (21, 1044948), (28, 783711), (31, 707868), (36, 609553), (42, 522474), (53, 414036), (62, 353934), (63, 348316), (84, 261237), (93, 235956), (106, 207018), (124, 176967), (126, 174158), (159, 138012), (186, 117978), (212, 103509), (217, 101124), (252, 87079), (279, 78652), (318, 69006), (371, 59148), (372, 58989), (434, 50562), (477, 46004), (558, 39326), (636, 34503), (651, 33708), (742, 29574), (868, 25281), (954, 23002), (1113, 19716), (1116, 19663), (1302, 16854), (1484, 14787), (1643, 13356), (1908, 11501), (1953, 11236), (2226, 9858), (2604, 8427), (2809, 7812), (3286, 6678), (3339, 6572), (3906, 5618), (4452, 4929)]