21869484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2861}}^1$

素因数の和:2895

約数の個数: 72

約数和(自身を含む): 63948528

約数和(自身を除く): 42079044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2861, 3822, 5722, 7644, 8583, 11444, 17166, 20027, 34332, 37193, 40054, 60081, 74386, 80108, 111579, 120162, 140189, 148772, 223158, 240324, 260351, 280378, 420567, 446316, 520702, 560756, 781053, 841134, 1041404, 1562106, 1682268, 1822457, 3124212, 3644914, 5467371, 7289828, 10934742, 21869484]

約数ペア:

[(1, 21869484), (2, 10934742), (3, 7289828), (4, 5467371), (6, 3644914), (7, 3124212), (12, 1822457), (13, 1682268), (14, 1562106), (21, 1041404), (26, 841134), (28, 781053), (39, 560756), (42, 520702), (49, 446316), (52, 420567), (78, 280378), (84, 260351), (91, 240324), (98, 223158), (147, 148772), (156, 140189), (182, 120162), (196, 111579), (273, 80108), (294, 74386), (364, 60081), (546, 40054), (588, 37193), (637, 34332), (1092, 20027), (1274, 17166), (1911, 11444), (2548, 8583), (2861, 7644), (3822, 5722)]