21416703

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 17290497

約数列:

[1, 3, 7, 11, 21, 23, 29, 33, 69, 77, 87, 139, 161, 203, 231, 253, 319, 417, 483, 609, 667, 759, 957, 973, 1529, 1771, 2001, 2233, 2919, 3197, 4031, 4587, 4669, 5313, 6699, 7337, 9591, 10703, 12093, 14007, 22011, 22379, 28217, 32109, 35167, 44341, 51359, 67137, 84651, 92713, 105501, 133023, 154077, 246169, 278139, 310387, 648991, 738507, 931161, 1019843, 1946973, 3059529, 7138901, 21416703]

約数ペア:

[(1, 21416703), (3, 7138901), (7, 3059529), (11, 1946973), (21, 1019843), (23, 931161), (29, 738507), (33, 648991), (69, 310387), (77, 278139), (87, 246169), (139, 154077), (161, 133023), (203, 105501), (231, 92713), (253, 84651), (319, 67137), (417, 51359), (483, 44341), (609, 35167), (667, 32109), (759, 28217), (957, 22379), (973, 22011), (1529, 14007), (1771, 12093), (2001, 10703), (2233, 9591), (2919, 7337), (3197, 6699), (4031, 5313), (4587, 4669)]