21826402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 19541918

約数列:

[1, 2, 13, 17, 19, 23, 26, 34, 38, 46, 113, 221, 226, 247, 299, 323, 391, 437, 442, 494, 598, 646, 782, 874, 1469, 1921, 2147, 2599, 2938, 3842, 4199, 4294, 5083, 5198, 5681, 7429, 8398, 10166, 11362, 14858, 24973, 27911, 33787, 36499, 44183, 49381, 49946, 55822, 67574, 72998, 88366, 96577, 98762, 193154, 474487, 574379, 641953, 839477, 948974, 1148758, 1283906, 1678954, 10913201, 21826402]

約数ペア:

[(1, 21826402), (2, 10913201), (13, 1678954), (17, 1283906), (19, 1148758), (23, 948974), (26, 839477), (34, 641953), (38, 574379), (46, 474487), (113, 193154), (221, 98762), (226, 96577), (247, 88366), (299, 72998), (323, 67574), (391, 55822), (437, 49946), (442, 49381), (494, 44183), (598, 36499), (646, 33787), (782, 27911), (874, 24973), (1469, 14858), (1921, 11362), (2147, 10166), (2599, 8398), (2938, 7429), (3842, 5681), (4199, 5198), (4294, 5083)]