21149226

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3167}}^1$

素因数の和:3235

約数の個数: 48

約数和(自身を含む): 53374464

約数和(自身を除く): 32225238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 3167, 3339, 6334, 6678, 9501, 19002, 22169, 28503, 44338, 57006, 66507, 133014, 167851, 199521, 335702, 399042, 503553, 1007106, 1174957, 1510659, 2349914, 3021318, 3524871, 7049742, 10574613, 21149226]

約数ペア:

[(1, 21149226), (2, 10574613), (3, 7049742), (6, 3524871), (7, 3021318), (9, 2349914), (14, 1510659), (18, 1174957), (21, 1007106), (42, 503553), (53, 399042), (63, 335702), (106, 199521), (126, 167851), (159, 133014), (318, 66507), (371, 57006), (477, 44338), (742, 28503), (954, 22169), (1113, 19002), (2226, 9501), (3167, 6678), (3339, 6334)]