421596

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{239}}^1$

素因数の和:263

約数の個数: 54

約数和(自身を含む): 1244880

約数和(自身を除く): 823284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 239, 252, 294, 441, 478, 588, 717, 882, 956, 1434, 1673, 1764, 2151, 2868, 3346, 4302, 5019, 6692, 8604, 10038, 11711, 15057, 20076, 23422, 30114, 35133, 46844, 60228, 70266, 105399, 140532, 210798, 421596]

約数ペア:

[(1, 421596), (2, 210798), (3, 140532), (4, 105399), (6, 70266), (7, 60228), (9, 46844), (12, 35133), (14, 30114), (18, 23422), (21, 20076), (28, 15057), (36, 11711), (42, 10038), (49, 8604), (63, 6692), (84, 5019), (98, 4302), (126, 3346), (147, 2868), (196, 2151), (239, 1764), (252, 1673), (294, 1434), (441, 956), (478, 882), (588, 717)]