21318840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59219}}^1$

素因数の和:59236

約数の個数: 48

約数和(自身を含む): 69287400

約数和(自身を除く): 47968560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59219, 118438, 177657, 236876, 296095, 355314, 473752, 532971, 592190, 710628, 888285, 1065942, 1184380, 1421256, 1776570, 2131884, 2368760, 2664855, 3553140, 4263768, 5329710, 7106280, 10659420, 21318840]

約数ペア:

[(1, 21318840), (2, 10659420), (3, 7106280), (4, 5329710), (5, 4263768), (6, 3553140), (8, 2664855), (9, 2368760), (10, 2131884), (12, 1776570), (15, 1421256), (18, 1184380), (20, 1065942), (24, 888285), (30, 710628), (36, 592190), (40, 532971), (45, 473752), (60, 355314), (72, 296095), (90, 236876), (120, 177657), (180, 118438), (360, 59219)]