21583620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6311}}^1$

素因数の和:6345

約数の個数: 72

約数和(自身を含む): 68927040

約数和(自身を除く): 47343420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6311, 12622, 18933, 25244, 31555, 37866, 56799, 63110, 75732, 94665, 113598, 119909, 126220, 189330, 227196, 239818, 283995, 359727, 378660, 479636, 567990, 599545, 719454, 1079181, 1135980, 1199090, 1438908, 1798635, 2158362, 2398180, 3597270, 4316724, 5395905, 7194540, 10791810, 21583620]

約数ペア:

[(1, 21583620), (2, 10791810), (3, 7194540), (4, 5395905), (5, 4316724), (6, 3597270), (9, 2398180), (10, 2158362), (12, 1798635), (15, 1438908), (18, 1199090), (19, 1135980), (20, 1079181), (30, 719454), (36, 599545), (38, 567990), (45, 479636), (57, 378660), (60, 359727), (76, 283995), (90, 239818), (95, 227196), (114, 189330), (171, 126220), (180, 119909), (190, 113598), (228, 94665), (285, 75732), (342, 63110), (380, 56799), (570, 37866), (684, 31555), (855, 25244), (1140, 18933), (1710, 12622), (3420, 6311)]