21200900400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{5889139}}^1$

素因数の和:5889163

約数の個数: 90

約数和(自身を含む): 73573026020

約数和(自身を除く): 52372125620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 5889139, 11778278, 17667417, 23556556, 29445695, 35334834, 47113112, 53002251, 58891390, 70669668, 88337085, 94226224, 106004502, 117782780, 141339336, 147228475, 176674170, 212009004, 235565560, 265011255, 282678672, 294456950, 353348340, 424018008, 441685425, 471131120, 530022510, 588913900, 706696680, 848036016, 883370850, 1060045020, 1177827800, 1325056275, 1413393360, 1766741700, 2120090040, 2355655600, 2650112550, 3533483400, 4240180080, 5300225100, 7066966800, 10600450200, 21200900400]

約数ペア:

[(1, 21200900400), (2, 10600450200), (3, 7066966800), (4, 5300225100), (5, 4240180080), (6, 3533483400), (8, 2650112550), (9, 2355655600), (10, 2120090040), (12, 1766741700), (15, 1413393360), (16, 1325056275), (18, 1177827800), (20, 1060045020), (24, 883370850), (25, 848036016), (30, 706696680), (36, 588913900), (40, 530022510), (45, 471131120), (48, 441685425), (50, 424018008), (60, 353348340), (72, 294456950), (75, 282678672), (80, 265011255), (90, 235565560), (100, 212009004), (120, 176674170), (144, 147228475), (150, 141339336), (180, 117782780), (200, 106004502), (225, 94226224), (240, 88337085), (300, 70669668), (360, 58891390), (400, 53002251), (450, 47113112), (600, 35334834), (720, 29445695), (900, 23556556), (1200, 17667417), (1800, 11778278), (3600, 5889139)]