21074460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:923

約数の個数: 96

約数和(自身を含む): 66189312

約数和(自身を除く): 45114852

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 37, 44, 55, 60, 66, 74, 110, 111, 132, 148, 165, 185, 220, 222, 330, 370, 407, 444, 555, 660, 740, 814, 863, 1110, 1221, 1628, 1726, 2035, 2220, 2442, 2589, 3452, 4070, 4315, 4884, 5178, 6105, 8140, 8630, 9493, 10356, 12210, 12945, 17260, 18986, 24420, 25890, 28479, 31931, 37972, 47465, 51780, 56958, 63862, 94930, 95793, 113916, 127724, 142395, 159655, 189860, 191586, 284790, 319310, 351241, 383172, 478965, 569580, 638620, 702482, 957930, 1053723, 1404964, 1756205, 1915860, 2107446, 3512410, 4214892, 5268615, 7024820, 10537230, 21074460]

約数ペア:

[(1, 21074460), (2, 10537230), (3, 7024820), (4, 5268615), (5, 4214892), (6, 3512410), (10, 2107446), (11, 1915860), (12, 1756205), (15, 1404964), (20, 1053723), (22, 957930), (30, 702482), (33, 638620), (37, 569580), (44, 478965), (55, 383172), (60, 351241), (66, 319310), (74, 284790), (110, 191586), (111, 189860), (132, 159655), (148, 142395), (165, 127724), (185, 113916), (220, 95793), (222, 94930), (330, 63862), (370, 56958), (407, 51780), (444, 47465), (555, 37972), (660, 31931), (740, 28479), (814, 25890), (863, 24420), (1110, 18986), (1221, 17260), (1628, 12945), (1726, 12210), (2035, 10356), (2220, 9493), (2442, 8630), (2589, 8140), (3452, 6105), (4070, 5178), (4315, 4884)]