21355237410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{137927}}^1$

素因数の和:138347

約数の個数: 64

約数和(自身を含む): 55334506752

約数和(自身を除く): 33979269342

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 397, 794, 1191, 1985, 2382, 3970, 5161, 5955, 10322, 11910, 15483, 25805, 30966, 51610, 77415, 137927, 154830, 275854, 413781, 689635, 827562, 1379270, 1793051, 2068905, 3586102, 4137810, 5379153, 8965255, 10758306, 17930510, 26895765, 53791530, 54757019, 109514038, 164271057, 273785095, 328542114, 547570190, 711841247, 821355285, 1423682494, 1642710570, 2135523741, 3559206235, 4271047482, 7118412470, 10677618705, 21355237410]

約数ペア:

[(1, 21355237410), (2, 10677618705), (3, 7118412470), (5, 4271047482), (6, 3559206235), (10, 2135523741), (13, 1642710570), (15, 1423682494), (26, 821355285), (30, 711841247), (39, 547570190), (65, 328542114), (78, 273785095), (130, 164271057), (195, 109514038), (390, 54757019), (397, 53791530), (794, 26895765), (1191, 17930510), (1985, 10758306), (2382, 8965255), (3970, 5379153), (5161, 4137810), (5955, 3586102), (10322, 2068905), (11910, 1793051), (15483, 1379270), (25805, 827562), (30966, 689635), (51610, 413781), (77415, 275854), (137927, 154830)]