21320838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15383}}^1$

素因数の和:15409

約数の個数: 48

約数和(自身を含む): 57597696

約数和(自身を除く): 36276858

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15383, 30766, 46149, 92298, 107681, 138447, 169213, 215362, 276894, 323043, 338426, 507639, 646086, 969129, 1015278, 1184491, 1522917, 1938258, 2368982, 3045834, 3553473, 7106946, 10660419, 21320838]

約数ペア:

[(1, 21320838), (2, 10660419), (3, 7106946), (6, 3553473), (7, 3045834), (9, 2368982), (11, 1938258), (14, 1522917), (18, 1184491), (21, 1015278), (22, 969129), (33, 646086), (42, 507639), (63, 338426), (66, 323043), (77, 276894), (99, 215362), (126, 169213), (154, 138447), (198, 107681), (231, 92298), (462, 46149), (693, 30766), (1386, 15383)]