21213522

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 31041198

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 71, 99, 142, 198, 213, 297, 426, 503, 594, 639, 781, 1006, 1278, 1509, 1562, 1917, 2343, 3018, 3834, 4527, 4686, 5533, 7029, 9054, 11066, 13581, 14058, 16599, 21087, 27162, 33198, 35713, 42174, 49797, 71426, 99594, 107139, 149391, 214278, 298782, 321417, 392843, 642834, 785686, 964251, 1178529, 1928502, 2357058, 3535587, 7071174, 10606761, 21213522]

約数ペア:

[(1, 21213522), (2, 10606761), (3, 7071174), (6, 3535587), (9, 2357058), (11, 1928502), (18, 1178529), (22, 964251), (27, 785686), (33, 642834), (54, 392843), (66, 321417), (71, 298782), (99, 214278), (142, 149391), (198, 107139), (213, 99594), (297, 71426), (426, 49797), (503, 42174), (594, 35713), (639, 33198), (781, 27162), (1006, 21087), (1278, 16599), (1509, 14058), (1562, 13581), (1917, 11066), (2343, 9054), (3018, 7029), (3834, 5533), (4527, 4686)]