21945396

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 58054752

約数和(自身を除く): 36109356

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 173, 186, 341, 346, 372, 519, 682, 692, 961, 1023, 1038, 1364, 1903, 1922, 2046, 2076, 2883, 3806, 3844, 4092, 5363, 5709, 5766, 7612, 10571, 10726, 11418, 11532, 16089, 21142, 21452, 22836, 31713, 32178, 42284, 58993, 63426, 64356, 117986, 126852, 166253, 176979, 235972, 332506, 353958, 498759, 665012, 707916, 997518, 1828783, 1995036, 3657566, 5486349, 7315132, 10972698, 21945396]

約数ペア:

[(1, 21945396), (2, 10972698), (3, 7315132), (4, 5486349), (6, 3657566), (11, 1995036), (12, 1828783), (22, 997518), (31, 707916), (33, 665012), (44, 498759), (62, 353958), (66, 332506), (93, 235972), (124, 176979), (132, 166253), (173, 126852), (186, 117986), (341, 64356), (346, 63426), (372, 58993), (519, 42284), (682, 32178), (692, 31713), (961, 22836), (1023, 21452), (1038, 21142), (1364, 16089), (1903, 11532), (1922, 11418), (2046, 10726), (2076, 10571), (2883, 7612), (3806, 5766), (3844, 5709), (4092, 5363)]