21515676

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 69995520

約数和(自身を除く): 48479844

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 19, 21, 26, 28, 34, 38, 39, 42, 51, 52, 57, 61, 68, 76, 78, 84, 91, 102, 114, 119, 122, 133, 156, 182, 183, 204, 221, 228, 238, 244, 247, 266, 273, 323, 357, 364, 366, 399, 427, 442, 476, 494, 532, 546, 646, 663, 714, 732, 741, 793, 798, 854, 884, 969, 988, 1037, 1092, 1159, 1281, 1292, 1326, 1428, 1482, 1547, 1586, 1596, 1708, 1729, 1938, 2074, 2261, 2318, 2379, 2562, 2652, 2964, 3094, 3111, 3172, 3458, 3477, 3876, 4148, 4199, 4522, 4636, 4641, 4758, 5124, 5187, 5551, 6188, 6222, 6783, 6916, 6954, 7259, 8113, 8398, 9044, 9282, 9516, 10374, 11102, 12444, 12597, 13481, 13566, 13908, 14518, 15067, 16226, 16653, 16796, 18564, 19703, 20748, 21777, 22204, 24339, 25194, 26962, 27132, 29036, 29393, 30134, 32452, 33306, 39406, 40443, 43554, 45201, 48678, 50388, 53924, 58786, 59109, 60268, 66612, 78812, 80886, 87108, 88179, 90402, 94367, 97356, 105469, 117572, 118218, 137921, 161772, 176358, 180804, 188734, 210938, 236436, 256139, 275842, 283101, 316407, 352716, 377468, 413763, 421876, 512278, 551684, 566202, 632814, 768417, 827526, 1024556, 1132404, 1265628, 1536834, 1655052, 1792973, 3073668, 3585946, 5378919, 7171892, 10757838, 21515676]

約数ペア:

[(1, 21515676), (2, 10757838), (3, 7171892), (4, 5378919), (6, 3585946), (7, 3073668), (12, 1792973), (13, 1655052), (14, 1536834), (17, 1265628), (19, 1132404), (21, 1024556), (26, 827526), (28, 768417), (34, 632814), (38, 566202), (39, 551684), (42, 512278), (51, 421876), (52, 413763), (57, 377468), (61, 352716), (68, 316407), (76, 283101), (78, 275842), (84, 256139), (91, 236436), (102, 210938), (114, 188734), (119, 180804), (122, 176358), (133, 161772), (156, 137921), (182, 118218), (183, 117572), (204, 105469), (221, 97356), (228, 94367), (238, 90402), (244, 88179), (247, 87108), (266, 80886), (273, 78812), (323, 66612), (357, 60268), (364, 59109), (366, 58786), (399, 53924), (427, 50388), (442, 48678), (476, 45201), (494, 43554), (532, 40443), (546, 39406), (646, 33306), (663, 32452), (714, 30134), (732, 29393), (741, 29036), (793, 27132), (798, 26962), (854, 25194), (884, 24339), (969, 22204), (988, 21777), (1037, 20748), (1092, 19703), (1159, 18564), (1281, 16796), (1292, 16653), (1326, 16226), (1428, 15067), (1482, 14518), (1547, 13908), (1586, 13566), (1596, 13481), (1708, 12597), (1729, 12444), (1938, 11102), (2074, 10374), (2261, 9516), (2318, 9282), (2379, 9044), (2562, 8398), (2652, 8113), (2964, 7259), (3094, 6954), (3111, 6916), (3172, 6783), (3458, 6222), (3477, 6188), (3876, 5551), (4148, 5187), (4199, 5124), (4522, 4758), (4636, 4641)]