21791784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6827}}^1$

素因数の和:6862

約数の個数: 64

約数和(自身を含む): 65548800

約数和(自身を除く): 43757016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 6827, 13654, 20481, 27308, 40962, 47789, 54616, 81924, 95578, 129713, 143367, 163848, 191156, 259426, 286734, 382312, 389139, 518852, 573468, 778278, 907991, 1037704, 1146936, 1556556, 1815982, 2723973, 3113112, 3631964, 5447946, 7263928, 10895892, 21791784]

約数ペア:

[(1, 21791784), (2, 10895892), (3, 7263928), (4, 5447946), (6, 3631964), (7, 3113112), (8, 2723973), (12, 1815982), (14, 1556556), (19, 1146936), (21, 1037704), (24, 907991), (28, 778278), (38, 573468), (42, 518852), (56, 389139), (57, 382312), (76, 286734), (84, 259426), (114, 191156), (133, 163848), (152, 143367), (168, 129713), (228, 95578), (266, 81924), (399, 54616), (456, 47789), (532, 40962), (798, 27308), (1064, 20481), (1596, 13654), (3192, 6827)]