21888690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 56173824

約数和(自身を除く): 34285134

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 167, 170, 255, 257, 334, 501, 510, 514, 771, 835, 1002, 1285, 1542, 1670, 2505, 2570, 2839, 3855, 4369, 5010, 5678, 7710, 8517, 8738, 13107, 14195, 17034, 21845, 26214, 28390, 42585, 42919, 43690, 65535, 85170, 85838, 128757, 131070, 214595, 257514, 429190, 643785, 729623, 1287570, 1459246, 2188869, 3648115, 4377738, 7296230, 10944345, 21888690]

約数ペア:

[(1, 21888690), (2, 10944345), (3, 7296230), (5, 4377738), (6, 3648115), (10, 2188869), (15, 1459246), (17, 1287570), (30, 729623), (34, 643785), (51, 429190), (85, 257514), (102, 214595), (167, 131070), (170, 128757), (255, 85838), (257, 85170), (334, 65535), (501, 43690), (510, 42919), (514, 42585), (771, 28390), (835, 26214), (1002, 21845), (1285, 17034), (1542, 14195), (1670, 13107), (2505, 8738), (2570, 8517), (2839, 7710), (3855, 5678), (4369, 5010)]