21702180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19037}}^1$

素因数の和:19068

約数の個数: 48

約数和(自身を含む): 63967680

約数和(自身を除く): 42265500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 19037, 38074, 57111, 76148, 95185, 114222, 190370, 228444, 285555, 361703, 380740, 571110, 723406, 1085109, 1142220, 1446812, 1808515, 2170218, 3617030, 4340436, 5425545, 7234060, 10851090, 21702180]

約数ペア:

[(1, 21702180), (2, 10851090), (3, 7234060), (4, 5425545), (5, 4340436), (6, 3617030), (10, 2170218), (12, 1808515), (15, 1446812), (19, 1142220), (20, 1085109), (30, 723406), (38, 571110), (57, 380740), (60, 361703), (76, 285555), (95, 228444), (114, 190370), (190, 114222), (228, 95185), (285, 76148), (380, 57111), (570, 38074), (1140, 19037)]