21246066

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 52640640

約数和(自身を除く): 31394574

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 37, 38, 46, 57, 69, 73, 74, 111, 114, 138, 146, 171, 207, 219, 222, 333, 342, 414, 437, 438, 657, 666, 703, 851, 874, 1311, 1314, 1387, 1406, 1679, 1702, 2109, 2553, 2622, 2701, 2774, 3358, 3933, 4161, 4218, 5037, 5106, 5402, 6327, 7659, 7866, 8103, 8322, 10074, 12483, 12654, 15111, 15318, 16169, 16206, 24309, 24966, 30222, 31901, 32338, 48507, 48618, 51319, 62123, 63802, 95703, 97014, 102638, 124246, 145521, 153957, 186369, 191406, 287109, 291042, 307914, 372738, 461871, 559107, 574218, 923742, 1118214, 1180337, 2360674, 3541011, 7082022, 10623033, 21246066]

約数ペア:

[(1, 21246066), (2, 10623033), (3, 7082022), (6, 3541011), (9, 2360674), (18, 1180337), (19, 1118214), (23, 923742), (37, 574218), (38, 559107), (46, 461871), (57, 372738), (69, 307914), (73, 291042), (74, 287109), (111, 191406), (114, 186369), (138, 153957), (146, 145521), (171, 124246), (207, 102638), (219, 97014), (222, 95703), (333, 63802), (342, 62123), (414, 51319), (437, 48618), (438, 48507), (657, 32338), (666, 31901), (703, 30222), (851, 24966), (874, 24309), (1311, 16206), (1314, 16169), (1387, 15318), (1406, 15111), (1679, 12654), (1702, 12483), (2109, 10074), (2553, 8322), (2622, 8103), (2701, 7866), (2774, 7659), (3358, 6327), (3933, 5402), (4161, 5106), (4218, 5037)]