21831000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 71884800

約数和(自身を除く): 50053800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 125, 150, 152, 190, 200, 228, 250, 285, 300, 375, 380, 383, 456, 475, 500, 570, 600, 750, 760, 766, 950, 1000, 1140, 1149, 1425, 1500, 1532, 1900, 1915, 2280, 2298, 2375, 2850, 3000, 3064, 3800, 3830, 4596, 4750, 5700, 5745, 7125, 7277, 7660, 9192, 9500, 9575, 11400, 11490, 14250, 14554, 15320, 19000, 19150, 21831, 22980, 28500, 28725, 29108, 36385, 38300, 43662, 45960, 47875, 57000, 57450, 58216, 72770, 76600, 87324, 95750, 109155, 114900, 143625, 145540, 174648, 181925, 191500, 218310, 229800, 287250, 291080, 363850, 383000, 436620, 545775, 574500, 727700, 873240, 909625, 1091550, 1149000, 1455400, 1819250, 2183100, 2728875, 3638500, 4366200, 5457750, 7277000, 10915500, 21831000]

約数ペア:

[(1, 21831000), (2, 10915500), (3, 7277000), (4, 5457750), (5, 4366200), (6, 3638500), (8, 2728875), (10, 2183100), (12, 1819250), (15, 1455400), (19, 1149000), (20, 1091550), (24, 909625), (25, 873240), (30, 727700), (38, 574500), (40, 545775), (50, 436620), (57, 383000), (60, 363850), (75, 291080), (76, 287250), (95, 229800), (100, 218310), (114, 191500), (120, 181925), (125, 174648), (150, 145540), (152, 143625), (190, 114900), (200, 109155), (228, 95750), (250, 87324), (285, 76600), (300, 72770), (375, 58216), (380, 57450), (383, 57000), (456, 47875), (475, 45960), (500, 43662), (570, 38300), (600, 36385), (750, 29108), (760, 28725), (766, 28500), (950, 22980), (1000, 21831), (1140, 19150), (1149, 19000), (1425, 15320), (1500, 14554), (1532, 14250), (1900, 11490), (1915, 11400), (2280, 9575), (2298, 9500), (2375, 9192), (2850, 7660), (3000, 7277), (3064, 7125), (3800, 5745), (3830, 5700), (4596, 4750)]