21333466

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 43960320

約数和(自身を除く): 22626854

約数列:

[1, 2, 7, 11, 14, 19, 22, 23, 38, 46, 77, 133, 154, 161, 209, 253, 266, 317, 322, 418, 437, 506, 634, 874, 1463, 1771, 2219, 2926, 3059, 3487, 3542, 4438, 4807, 6023, 6118, 6974, 7291, 9614, 12046, 14582, 24409, 33649, 42161, 48818, 51037, 66253, 67298, 80201, 84322, 102074, 132506, 138529, 160402, 277058, 463771, 561407, 927542, 969703, 1122814, 1523819, 1939406, 3047638, 10666733, 21333466]

約数ペア:

[(1, 21333466), (2, 10666733), (7, 3047638), (11, 1939406), (14, 1523819), (19, 1122814), (22, 969703), (23, 927542), (38, 561407), (46, 463771), (77, 277058), (133, 160402), (154, 138529), (161, 132506), (209, 102074), (253, 84322), (266, 80201), (317, 67298), (322, 66253), (418, 51037), (437, 48818), (506, 42161), (634, 33649), (874, 24409), (1463, 14582), (1771, 12046), (2219, 9614), (2926, 7291), (3059, 6974), (3487, 6118), (3542, 6023), (4438, 4807)]