21408300

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{881}}^1$

素因数の和:910

約数の個数: 108

約数和(自身を含む): 69667416

約数和(自身を除く): 48259116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 810, 881, 900, 972, 1215, 1350, 1620, 1762, 2025, 2430, 2643, 2700, 3524, 4050, 4405, 4860, 5286, 6075, 7929, 8100, 8810, 10572, 12150, 13215, 15858, 17620, 22025, 23787, 24300, 26430, 31716, 39645, 44050, 47574, 52860, 66075, 71361, 79290, 88100, 95148, 118935, 132150, 142722, 158580, 198225, 214083, 237870, 264300, 285444, 356805, 396450, 428166, 475740, 594675, 713610, 792900, 856332, 1070415, 1189350, 1427220, 1784025, 2140830, 2378700, 3568050, 4281660, 5352075, 7136100, 10704150, 21408300]

約数ペア:

[(1, 21408300), (2, 10704150), (3, 7136100), (4, 5352075), (5, 4281660), (6, 3568050), (9, 2378700), (10, 2140830), (12, 1784025), (15, 1427220), (18, 1189350), (20, 1070415), (25, 856332), (27, 792900), (30, 713610), (36, 594675), (45, 475740), (50, 428166), (54, 396450), (60, 356805), (75, 285444), (81, 264300), (90, 237870), (100, 214083), (108, 198225), (135, 158580), (150, 142722), (162, 132150), (180, 118935), (225, 95148), (243, 88100), (270, 79290), (300, 71361), (324, 66075), (405, 52860), (450, 47574), (486, 44050), (540, 39645), (675, 31716), (810, 26430), (881, 24300), (900, 23787), (972, 22025), (1215, 17620), (1350, 15858), (1620, 13215), (1762, 12150), (2025, 10572), (2430, 8810), (2643, 8100), (2700, 7929), (3524, 6075), (4050, 5286), (4405, 4860)]