21168350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2001

約数の個数: 48

約数和(自身を含む): 46473216

約数和(自身を除く): 25304866

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 1951, 2170, 3902, 5425, 9755, 10850, 13657, 19510, 27314, 48775, 60481, 68285, 97550, 120962, 136570, 302405, 341425, 423367, 604810, 682850, 846734, 1512025, 2116835, 3024050, 4233670, 10584175, 21168350]

約数ペア:

[(1, 21168350), (2, 10584175), (5, 4233670), (7, 3024050), (10, 2116835), (14, 1512025), (25, 846734), (31, 682850), (35, 604810), (50, 423367), (62, 341425), (70, 302405), (155, 136570), (175, 120962), (217, 97550), (310, 68285), (350, 60481), (434, 48775), (775, 27314), (1085, 19510), (1550, 13657), (1951, 10850), (2170, 9755), (3902, 5425)]