21510228

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 52476480

約数和(自身を除く): 30966252

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 113, 116, 174, 226, 339, 348, 452, 547, 678, 1094, 1356, 1641, 2188, 3277, 3282, 6554, 6564, 9831, 13108, 15863, 19662, 31726, 39324, 47589, 61811, 63452, 95178, 123622, 185433, 190356, 247244, 370866, 741732, 1792519, 3585038, 5377557, 7170076, 10755114, 21510228]

約数ペア:

[(1, 21510228), (2, 10755114), (3, 7170076), (4, 5377557), (6, 3585038), (12, 1792519), (29, 741732), (58, 370866), (87, 247244), (113, 190356), (116, 185433), (174, 123622), (226, 95178), (339, 63452), (348, 61811), (452, 47589), (547, 39324), (678, 31726), (1094, 19662), (1356, 15863), (1641, 13108), (2188, 9831), (3277, 6564), (3282, 6554)]