21343518

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3457}}^1$

素因数の和:3486

約数の個数: 48

約数和(自身を含む): 53944800

約数和(自身を除く): 32601282

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3457, 6174, 6914, 10371, 20742, 24199, 31113, 48398, 62226, 72597, 145194, 169393, 217791, 338786, 435582, 508179, 1016358, 1185751, 1524537, 2371502, 3049074, 3557253, 7114506, 10671759, 21343518]

約数ペア:

[(1, 21343518), (2, 10671759), (3, 7114506), (6, 3557253), (7, 3049074), (9, 2371502), (14, 1524537), (18, 1185751), (21, 1016358), (42, 508179), (49, 435582), (63, 338786), (98, 217791), (126, 169393), (147, 145194), (294, 72597), (343, 62226), (441, 48398), (686, 31113), (882, 24199), (1029, 20742), (2058, 10371), (3087, 6914), (3457, 6174)]