21723688

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1201}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 51926400

約数和(自身を除く): 30202712

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1201, 1292, 2261, 2402, 2584, 4522, 4804, 8407, 9044, 9608, 16814, 18088, 20417, 22819, 33628, 40834, 45638, 67256, 81668, 91276, 142919, 159733, 163336, 182552, 285838, 319466, 387923, 571676, 638932, 775846, 1143352, 1277864, 1551692, 2715461, 3103384, 5430922, 10861844, 21723688]

約数ペア:

[(1, 21723688), (2, 10861844), (4, 5430922), (7, 3103384), (8, 2715461), (14, 1551692), (17, 1277864), (19, 1143352), (28, 775846), (34, 638932), (38, 571676), (56, 387923), (68, 319466), (76, 285838), (119, 182552), (133, 163336), (136, 159733), (152, 142919), (238, 91276), (266, 81668), (323, 67256), (476, 45638), (532, 40834), (646, 33628), (952, 22819), (1064, 20417), (1201, 18088), (1292, 16814), (2261, 9608), (2402, 9044), (2584, 8407), (4522, 4804)]