21786552

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 62599680

約数和(自身を除く): 40813128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 43, 62, 72, 86, 93, 124, 129, 172, 186, 227, 248, 258, 279, 344, 372, 387, 454, 516, 558, 681, 744, 774, 908, 1032, 1116, 1333, 1362, 1548, 1816, 2043, 2232, 2666, 2724, 3096, 3999, 4086, 5332, 5448, 7037, 7998, 8172, 9761, 10664, 11997, 14074, 15996, 16344, 19522, 21111, 23994, 28148, 29283, 31992, 39044, 42222, 47988, 56296, 58566, 63333, 78088, 84444, 87849, 95976, 117132, 126666, 168888, 175698, 234264, 253332, 302591, 351396, 506664, 605182, 702792, 907773, 1210364, 1815546, 2420728, 2723319, 3631092, 5446638, 7262184, 10893276, 21786552]

約数ペア:

[(1, 21786552), (2, 10893276), (3, 7262184), (4, 5446638), (6, 3631092), (8, 2723319), (9, 2420728), (12, 1815546), (18, 1210364), (24, 907773), (31, 702792), (36, 605182), (43, 506664), (62, 351396), (72, 302591), (86, 253332), (93, 234264), (124, 175698), (129, 168888), (172, 126666), (186, 117132), (227, 95976), (248, 87849), (258, 84444), (279, 78088), (344, 63333), (372, 58566), (387, 56296), (454, 47988), (516, 42222), (558, 39044), (681, 31992), (744, 29283), (774, 28148), (908, 23994), (1032, 21111), (1116, 19522), (1333, 16344), (1362, 15996), (1548, 14074), (1816, 11997), (2043, 10664), (2232, 9761), (2666, 8172), (2724, 7998), (3096, 7037), (3999, 5448), (4086, 5332)]