21200634

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:121

約数の個数: 108

約数和(自身を含む): 58913946

約数和(自身を除く): 37713312

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 43, 49, 63, 78, 86, 91, 98, 117, 126, 129, 147, 182, 234, 258, 273, 294, 301, 387, 441, 546, 559, 602, 637, 774, 819, 882, 903, 1118, 1274, 1638, 1677, 1806, 1849, 1911, 2107, 2709, 3354, 3698, 3822, 3913, 4214, 5031, 5418, 5547, 5733, 6321, 7826, 10062, 11094, 11466, 11739, 12642, 12943, 16641, 18963, 23478, 24037, 25886, 27391, 33282, 35217, 37926, 38829, 48074, 54782, 70434, 72111, 77658, 82173, 90601, 116487, 144222, 164346, 168259, 181202, 216333, 232974, 246519, 271803, 336518, 432666, 493038, 504777, 543606, 815409, 1009554, 1177813, 1514331, 1630818, 2355626, 3028662, 3533439, 7066878, 10600317, 21200634]

約数ペア:

[(1, 21200634), (2, 10600317), (3, 7066878), (6, 3533439), (7, 3028662), (9, 2355626), (13, 1630818), (14, 1514331), (18, 1177813), (21, 1009554), (26, 815409), (39, 543606), (42, 504777), (43, 493038), (49, 432666), (63, 336518), (78, 271803), (86, 246519), (91, 232974), (98, 216333), (117, 181202), (126, 168259), (129, 164346), (147, 144222), (182, 116487), (234, 90601), (258, 82173), (273, 77658), (294, 72111), (301, 70434), (387, 54782), (441, 48074), (546, 38829), (559, 37926), (602, 35217), (637, 33282), (774, 27391), (819, 25886), (882, 24037), (903, 23478), (1118, 18963), (1274, 16641), (1638, 12943), (1677, 12642), (1806, 11739), (1849, 11466), (1911, 11094), (2107, 10062), (2709, 7826), (3354, 6321), (3698, 5733), (3822, 5547), (3913, 5418), (4214, 5031)]