21484000

素因数分解:

$2^5\times 5^3\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 54486432

約数和(自身を除く): 33002432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 125, 131, 160, 164, 200, 205, 250, 262, 328, 400, 410, 500, 524, 655, 656, 800, 820, 1000, 1025, 1048, 1310, 1312, 1640, 2000, 2050, 2096, 2620, 3275, 3280, 4000, 4100, 4192, 5125, 5240, 5371, 6550, 6560, 8200, 10250, 10480, 10742, 13100, 16375, 16400, 20500, 20960, 21484, 26200, 26855, 32750, 32800, 41000, 42968, 52400, 53710, 65500, 82000, 85936, 104800, 107420, 131000, 134275, 164000, 171872, 214840, 262000, 268550, 429680, 524000, 537100, 671375, 859360, 1074200, 1342750, 2148400, 2685500, 4296800, 5371000, 10742000, 21484000]

約数ペア:

[(1, 21484000), (2, 10742000), (4, 5371000), (5, 4296800), (8, 2685500), (10, 2148400), (16, 1342750), (20, 1074200), (25, 859360), (32, 671375), (40, 537100), (41, 524000), (50, 429680), (80, 268550), (82, 262000), (100, 214840), (125, 171872), (131, 164000), (160, 134275), (164, 131000), (200, 107420), (205, 104800), (250, 85936), (262, 82000), (328, 65500), (400, 53710), (410, 52400), (500, 42968), (524, 41000), (655, 32800), (656, 32750), (800, 26855), (820, 26200), (1000, 21484), (1025, 20960), (1048, 20500), (1310, 16400), (1312, 16375), (1640, 13100), (2000, 10742), (2050, 10480), (2096, 10250), (2620, 8200), (3275, 6560), (3280, 6550), (4000, 5371), (4100, 5240), (4192, 5125)]