21138936

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9679}}^1$

素因数の和:9708

約数の個数: 64

約数和(自身を含む): 65049600

約数和(自身を除く): 43910664

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9679, 19358, 29037, 38716, 58074, 67753, 77432, 116148, 125827, 135506, 203259, 232296, 251654, 271012, 377481, 406518, 503308, 542024, 754962, 813036, 880789, 1006616, 1509924, 1626072, 1761578, 2642367, 3019848, 3523156, 5284734, 7046312, 10569468, 21138936]

約数ペア:

[(1, 21138936), (2, 10569468), (3, 7046312), (4, 5284734), (6, 3523156), (7, 3019848), (8, 2642367), (12, 1761578), (13, 1626072), (14, 1509924), (21, 1006616), (24, 880789), (26, 813036), (28, 754962), (39, 542024), (42, 503308), (52, 406518), (56, 377481), (78, 271012), (84, 251654), (91, 232296), (104, 203259), (156, 135506), (168, 125827), (182, 116148), (273, 77432), (312, 67753), (364, 58074), (546, 38716), (728, 29037), (1092, 19358), (2184, 9679)]