21708450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2576

約数の個数: 72

約数和(自身を含む): 61417200

約数和(自身を除く): 39708750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2539, 2850, 4275, 5078, 7617, 8550, 12695, 15234, 22851, 25390, 38085, 45702, 48241, 63475, 76170, 96482, 114255, 126950, 144723, 190425, 228510, 241205, 289446, 380850, 434169, 482410, 571275, 723615, 868338, 1142550, 1206025, 1447230, 2170845, 2412050, 3618075, 4341690, 7236150, 10854225, 21708450]

約数ペア:

[(1, 21708450), (2, 10854225), (3, 7236150), (5, 4341690), (6, 3618075), (9, 2412050), (10, 2170845), (15, 1447230), (18, 1206025), (19, 1142550), (25, 868338), (30, 723615), (38, 571275), (45, 482410), (50, 434169), (57, 380850), (75, 289446), (90, 241205), (95, 228510), (114, 190425), (150, 144723), (171, 126950), (190, 114255), (225, 96482), (285, 76170), (342, 63475), (450, 48241), (475, 45702), (570, 38085), (855, 25390), (950, 22851), (1425, 15234), (1710, 12695), (2539, 8550), (2850, 7617), (4275, 5078)]