21065142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 51577344

約数和(自身を除く): 30512202

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 163, 181, 238, 326, 357, 362, 489, 543, 714, 978, 1086, 1141, 1267, 2282, 2534, 2771, 3077, 3423, 3801, 5542, 6154, 6846, 7602, 8313, 9231, 16626, 18462, 19397, 21539, 29503, 38794, 43078, 58191, 59006, 64617, 88509, 116382, 129234, 177018, 206521, 413042, 501551, 619563, 1003102, 1239126, 1504653, 3009306, 3510857, 7021714, 10532571, 21065142]

約数ペア:

[(1, 21065142), (2, 10532571), (3, 7021714), (6, 3510857), (7, 3009306), (14, 1504653), (17, 1239126), (21, 1003102), (34, 619563), (42, 501551), (51, 413042), (102, 206521), (119, 177018), (163, 129234), (181, 116382), (238, 88509), (326, 64617), (357, 59006), (362, 58191), (489, 43078), (543, 38794), (714, 29503), (978, 21539), (1086, 19397), (1141, 18462), (1267, 16626), (2282, 9231), (2534, 8313), (2771, 7602), (3077, 6846), (3423, 6154), (3801, 5542)]