421428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 1169280

約数和(自身を除く): 747852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 173, 174, 203, 346, 348, 406, 519, 609, 692, 812, 1038, 1211, 1218, 2076, 2422, 2436, 3633, 4844, 5017, 7266, 10034, 14532, 15051, 20068, 30102, 35119, 60204, 70238, 105357, 140476, 210714, 421428]

約数ペア:

[(1, 421428), (2, 210714), (3, 140476), (4, 105357), (6, 70238), (7, 60204), (12, 35119), (14, 30102), (21, 20068), (28, 15051), (29, 14532), (42, 10034), (58, 7266), (84, 5017), (87, 4844), (116, 3633), (173, 2436), (174, 2422), (203, 2076), (346, 1218), (348, 1211), (406, 1038), (519, 812), (609, 692)]