21915642

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 53452800

約数和(自身を除く): 31537158

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 147, 161, 294, 322, 343, 463, 483, 686, 926, 966, 1029, 1127, 1389, 2058, 2254, 2778, 3241, 3381, 6482, 6762, 7889, 9723, 10649, 15778, 19446, 21298, 22687, 23667, 31947, 45374, 47334, 63894, 68061, 74543, 136122, 149086, 158809, 223629, 317618, 447258, 476427, 521801, 952854, 1043602, 1565403, 3130806, 3652607, 7305214, 10957821, 21915642]

約数ペア:

[(1, 21915642), (2, 10957821), (3, 7305214), (6, 3652607), (7, 3130806), (14, 1565403), (21, 1043602), (23, 952854), (42, 521801), (46, 476427), (49, 447258), (69, 317618), (98, 223629), (138, 158809), (147, 149086), (161, 136122), (294, 74543), (322, 68061), (343, 63894), (463, 47334), (483, 45374), (686, 31947), (926, 23667), (966, 22687), (1029, 21298), (1127, 19446), (1389, 15778), (2058, 10649), (2254, 9723), (2778, 7889), (3241, 6762), (3381, 6482)]