21816522

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1$

素因数の和:748

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 39510198

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 399, 494, 546, 701, 741, 798, 819, 1197, 1402, 1482, 1638, 1729, 2103, 2223, 2394, 3458, 4206, 4446, 4907, 5187, 6309, 9113, 9814, 10374, 12618, 13319, 14721, 15561, 18226, 26638, 27339, 29442, 31122, 39957, 44163, 54678, 63791, 79914, 82017, 88326, 93233, 119871, 127582, 164034, 173147, 186466, 191373, 239742, 279699, 346294, 382746, 519441, 559398, 574119, 839097, 1038882, 1148238, 1212029, 1558323, 1678194, 2424058, 3116646, 3636087, 7272174, 10908261, 21816522]

約数ペア:

[(1, 21816522), (2, 10908261), (3, 7272174), (6, 3636087), (7, 3116646), (9, 2424058), (13, 1678194), (14, 1558323), (18, 1212029), (19, 1148238), (21, 1038882), (26, 839097), (38, 574119), (39, 559398), (42, 519441), (57, 382746), (63, 346294), (78, 279699), (91, 239742), (114, 191373), (117, 186466), (126, 173147), (133, 164034), (171, 127582), (182, 119871), (234, 93233), (247, 88326), (266, 82017), (273, 79914), (342, 63791), (399, 54678), (494, 44163), (546, 39957), (701, 31122), (741, 29442), (798, 27339), (819, 26638), (1197, 18226), (1402, 15561), (1482, 14721), (1638, 13319), (1729, 12618), (2103, 10374), (2223, 9814), (2394, 9113), (3458, 6309), (4206, 5187), (4446, 4907)]