21598758

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 49996800

約数和(自身を除く): 28398042

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 79, 83, 122, 158, 166, 183, 237, 249, 366, 474, 498, 549, 711, 747, 1098, 1422, 1494, 1647, 2133, 2241, 3294, 4266, 4482, 4819, 5063, 6557, 9638, 10126, 13114, 14457, 15189, 19671, 28914, 30378, 39342, 43371, 45567, 59013, 86742, 91134, 118026, 130113, 136701, 177039, 260226, 273402, 354078, 399977, 799954, 1199931, 2399862, 3599793, 7199586, 10799379, 21598758]

約数ペア:

[(1, 21598758), (2, 10799379), (3, 7199586), (6, 3599793), (9, 2399862), (18, 1199931), (27, 799954), (54, 399977), (61, 354078), (79, 273402), (83, 260226), (122, 177039), (158, 136701), (166, 130113), (183, 118026), (237, 91134), (249, 86742), (366, 59013), (474, 45567), (498, 43371), (549, 39342), (711, 30378), (747, 28914), (1098, 19671), (1422, 15189), (1494, 14457), (1647, 13114), (2133, 10126), (2241, 9638), (3294, 6557), (4266, 5063), (4482, 4819)]