21645288

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:727

約数の個数: 96

約数和(自身を含む): 68103360

約数和(自身を除く): 46458072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 67, 72, 84, 126, 134, 168, 201, 252, 268, 402, 469, 504, 536, 603, 641, 804, 938, 1206, 1282, 1407, 1608, 1876, 1923, 2412, 2564, 2814, 3752, 3846, 4221, 4487, 4824, 5128, 5628, 5769, 7692, 8442, 8974, 11256, 11538, 13461, 15384, 16884, 17948, 23076, 26922, 33768, 35896, 40383, 42947, 46152, 53844, 80766, 85894, 107688, 128841, 161532, 171788, 257682, 300629, 323064, 343576, 386523, 515364, 601258, 773046, 901887, 1030728, 1202516, 1546092, 1803774, 2405032, 2705661, 3092184, 3607548, 5411322, 7215096, 10822644, 21645288]

約数ペア:

[(1, 21645288), (2, 10822644), (3, 7215096), (4, 5411322), (6, 3607548), (7, 3092184), (8, 2705661), (9, 2405032), (12, 1803774), (14, 1546092), (18, 1202516), (21, 1030728), (24, 901887), (28, 773046), (36, 601258), (42, 515364), (56, 386523), (63, 343576), (67, 323064), (72, 300629), (84, 257682), (126, 171788), (134, 161532), (168, 128841), (201, 107688), (252, 85894), (268, 80766), (402, 53844), (469, 46152), (504, 42947), (536, 40383), (603, 35896), (641, 33768), (804, 26922), (938, 23076), (1206, 17948), (1282, 16884), (1407, 15384), (1608, 13461), (1876, 11538), (1923, 11256), (2412, 8974), (2564, 8442), (2814, 7692), (3752, 5769), (3846, 5628), (4221, 5128), (4487, 4824)]