21478296

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{739}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 61804800

約数和(自身を除く): 40326504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 173, 346, 519, 692, 739, 1038, 1211, 1384, 1478, 2076, 2217, 2422, 2956, 3633, 4152, 4434, 4844, 5173, 5912, 7266, 8868, 9688, 10346, 14532, 15519, 17736, 20692, 29064, 31038, 41384, 62076, 124152, 127847, 255694, 383541, 511388, 767082, 894929, 1022776, 1534164, 1789858, 2684787, 3068328, 3579716, 5369574, 7159432, 10739148, 21478296]

約数ペア:

[(1, 21478296), (2, 10739148), (3, 7159432), (4, 5369574), (6, 3579716), (7, 3068328), (8, 2684787), (12, 1789858), (14, 1534164), (21, 1022776), (24, 894929), (28, 767082), (42, 511388), (56, 383541), (84, 255694), (168, 127847), (173, 124152), (346, 62076), (519, 41384), (692, 31038), (739, 29064), (1038, 20692), (1211, 17736), (1384, 15519), (1478, 14532), (2076, 10346), (2217, 9688), (2422, 8868), (2956, 7266), (3633, 5912), (4152, 5173), (4434, 4844)]