21888426525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{31277}}^1$

素因数の和:31371

約数の個数: 96

約数和(自身を含む): 43687108608

約数和(自身を除く): 21798682083

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 43, 75, 93, 105, 129, 155, 175, 215, 217, 301, 465, 525, 645, 651, 775, 903, 1075, 1085, 1333, 1505, 2325, 3225, 3255, 3999, 4515, 5425, 6665, 7525, 9331, 16275, 19995, 22575, 27993, 31277, 33325, 46655, 93831, 99975, 139965, 156385, 218939, 233275, 469155, 656817, 699825, 781925, 969587, 1094695, 1344911, 2345775, 2908761, 3284085, 4034733, 4847935, 5473475, 6724555, 6787109, 9414377, 14543805, 16420425, 20173665, 20361327, 24239675, 28243131, 33622775, 33935545, 41692241, 47071885, 72719025, 100868325, 101806635, 125076723, 141215655, 169677725, 208461205, 235359425, 291845687, 509033175, 625383615, 706078275, 875537061, 1042306025, 1459228435, 3126918075, 4377685305, 7296142175, 21888426525]

約数ペア:

[(1, 21888426525), (3, 7296142175), (5, 4377685305), (7, 3126918075), (15, 1459228435), (21, 1042306025), (25, 875537061), (31, 706078275), (35, 625383615), (43, 509033175), (75, 291845687), (93, 235359425), (105, 208461205), (129, 169677725), (155, 141215655), (175, 125076723), (215, 101806635), (217, 100868325), (301, 72719025), (465, 47071885), (525, 41692241), (645, 33935545), (651, 33622775), (775, 28243131), (903, 24239675), (1075, 20361327), (1085, 20173665), (1333, 16420425), (1505, 14543805), (2325, 9414377), (3225, 6787109), (3255, 6724555), (3999, 5473475), (4515, 4847935), (5425, 4034733), (6665, 3284085), (7525, 2908761), (9331, 2345775), (16275, 1344911), (19995, 1094695), (22575, 969587), (27993, 781925), (31277, 699825), (33325, 656817), (46655, 469155), (93831, 233275), (99975, 218939), (139965, 156385)]