21386274

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 55655424

約数和(自身を除く): 34269150

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 23, 26, 39, 42, 46, 69, 78, 91, 131, 138, 161, 169, 182, 262, 273, 299, 322, 338, 393, 483, 507, 546, 598, 786, 897, 917, 966, 1014, 1183, 1703, 1794, 1834, 2093, 2366, 2751, 3013, 3406, 3549, 3887, 4186, 5109, 5502, 6026, 6279, 7098, 7774, 9039, 10218, 11661, 11921, 12558, 18078, 21091, 22139, 23322, 23842, 27209, 35763, 39169, 42182, 44278, 54418, 63273, 66417, 71526, 78338, 81627, 117507, 126546, 132834, 154973, 163254, 235014, 274183, 309946, 464919, 509197, 548366, 822549, 929838, 1018394, 1527591, 1645098, 3055182, 3564379, 7128758, 10693137, 21386274]

約数ペア:

[(1, 21386274), (2, 10693137), (3, 7128758), (6, 3564379), (7, 3055182), (13, 1645098), (14, 1527591), (21, 1018394), (23, 929838), (26, 822549), (39, 548366), (42, 509197), (46, 464919), (69, 309946), (78, 274183), (91, 235014), (131, 163254), (138, 154973), (161, 132834), (169, 126546), (182, 117507), (262, 81627), (273, 78338), (299, 71526), (322, 66417), (338, 63273), (393, 54418), (483, 44278), (507, 42182), (546, 39169), (598, 35763), (786, 27209), (897, 23842), (917, 23322), (966, 22139), (1014, 21091), (1183, 18078), (1703, 12558), (1794, 11921), (1834, 11661), (2093, 10218), (2366, 9039), (2751, 7774), (3013, 7098), (3406, 6279), (3549, 6026), (3887, 5502), (4186, 5109)]