21158010

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8707}}^1$

素因数の和:8729

約数の個数: 48

約数和(自身を含む): 57054816

約数和(自身を除く): 35896806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8707, 17414, 26121, 43535, 52242, 78363, 87070, 130605, 156726, 235089, 261210, 391815, 470178, 705267, 783630, 1175445, 1410534, 2115801, 2350890, 3526335, 4231602, 7052670, 10579005, 21158010]

約数ペア:

[(1, 21158010), (2, 10579005), (3, 7052670), (5, 4231602), (6, 3526335), (9, 2350890), (10, 2115801), (15, 1410534), (18, 1175445), (27, 783630), (30, 705267), (45, 470178), (54, 391815), (81, 261210), (90, 235089), (135, 156726), (162, 130605), (243, 87070), (270, 78363), (405, 52242), (486, 43535), (810, 26121), (1215, 17414), (2430, 8707)]