21407050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2023

約数の個数: 48

約数和(自身を含む): 46996992

約数和(自身を除く): 25589942

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 1973, 2170, 3946, 5425, 9865, 10850, 13811, 19730, 27622, 49325, 61163, 69055, 98650, 122326, 138110, 305815, 345275, 428141, 611630, 690550, 856282, 1529075, 2140705, 3058150, 4281410, 10703525, 21407050]

約数ペア:

[(1, 21407050), (2, 10703525), (5, 4281410), (7, 3058150), (10, 2140705), (14, 1529075), (25, 856282), (31, 690550), (35, 611630), (50, 428141), (62, 345275), (70, 305815), (155, 138110), (175, 122326), (217, 98650), (310, 69055), (350, 61163), (434, 49325), (775, 27622), (1085, 19730), (1550, 13811), (1973, 10850), (2170, 9865), (3946, 5425)]