21474684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 69328896

約数和(自身を除く): 47854212

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 61, 63, 66, 77, 84, 99, 122, 126, 127, 132, 154, 183, 198, 231, 244, 252, 254, 308, 366, 381, 396, 427, 462, 508, 549, 671, 693, 732, 762, 854, 889, 924, 1098, 1143, 1281, 1342, 1386, 1397, 1524, 1708, 1778, 2013, 2196, 2286, 2562, 2667, 2684, 2772, 2794, 3556, 3843, 4026, 4191, 4572, 4697, 5124, 5334, 5588, 6039, 7686, 7747, 8001, 8052, 8382, 9394, 9779, 10668, 12078, 12573, 14091, 15372, 15494, 16002, 16764, 18788, 19558, 23241, 24156, 25146, 28182, 29337, 30988, 32004, 39116, 42273, 46482, 50292, 54229, 56364, 58674, 69723, 84546, 85217, 88011, 92964, 108458, 117348, 139446, 162687, 169092, 170434, 176022, 216916, 255651, 278892, 325374, 340868, 352044, 488061, 511302, 596519, 650748, 766953, 976122, 1022604, 1193038, 1533906, 1789557, 1952244, 2386076, 3067812, 3579114, 5368671, 7158228, 10737342, 21474684]

約数ペア:

[(1, 21474684), (2, 10737342), (3, 7158228), (4, 5368671), (6, 3579114), (7, 3067812), (9, 2386076), (11, 1952244), (12, 1789557), (14, 1533906), (18, 1193038), (21, 1022604), (22, 976122), (28, 766953), (33, 650748), (36, 596519), (42, 511302), (44, 488061), (61, 352044), (63, 340868), (66, 325374), (77, 278892), (84, 255651), (99, 216916), (122, 176022), (126, 170434), (127, 169092), (132, 162687), (154, 139446), (183, 117348), (198, 108458), (231, 92964), (244, 88011), (252, 85217), (254, 84546), (308, 69723), (366, 58674), (381, 56364), (396, 54229), (427, 50292), (462, 46482), (508, 42273), (549, 39116), (671, 32004), (693, 30988), (732, 29337), (762, 28182), (854, 25146), (889, 24156), (924, 23241), (1098, 19558), (1143, 18788), (1281, 16764), (1342, 16002), (1386, 15494), (1397, 15372), (1524, 14091), (1708, 12573), (1778, 12078), (2013, 10668), (2196, 9779), (2286, 9394), (2562, 8382), (2667, 8052), (2684, 8001), (2772, 7747), (2794, 7686), (3556, 6039), (3843, 5588), (4026, 5334), (4191, 5124), (4572, 4697)]