21639120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90163}}^1$

素因数の和:90179

約数の個数: 40

約数和(自身を含む): 67082016

約数和(自身を除く): 45442896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90163, 180326, 270489, 360652, 450815, 540978, 721304, 901630, 1081956, 1352445, 1442608, 1803260, 2163912, 2704890, 3606520, 4327824, 5409780, 7213040, 10819560, 21639120]

約数ペア:

[(1, 21639120), (2, 10819560), (3, 7213040), (4, 5409780), (5, 4327824), (6, 3606520), (8, 2704890), (10, 2163912), (12, 1803260), (15, 1442608), (16, 1352445), (20, 1081956), (24, 901630), (30, 721304), (40, 540978), (48, 450815), (60, 360652), (80, 270489), (120, 180326), (240, 90163)]