21054720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5483}}^1$

素因数の和:5507

約数の個数: 72

約数和(自身を含む): 67255776

約数和(自身を除く): 46201056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5483, 10966, 16449, 21932, 27415, 32898, 43864, 54830, 65796, 82245, 87728, 109660, 131592, 164490, 175456, 219320, 263184, 328980, 350912, 438640, 526368, 657960, 701824, 877280, 1052736, 1315920, 1403648, 1754560, 2105472, 2631840, 3509120, 4210944, 5263680, 7018240, 10527360, 21054720]

約数ペア:

[(1, 21054720), (2, 10527360), (3, 7018240), (4, 5263680), (5, 4210944), (6, 3509120), (8, 2631840), (10, 2105472), (12, 1754560), (15, 1403648), (16, 1315920), (20, 1052736), (24, 877280), (30, 701824), (32, 657960), (40, 526368), (48, 438640), (60, 350912), (64, 328980), (80, 263184), (96, 219320), (120, 175456), (128, 164490), (160, 131592), (192, 109660), (240, 87728), (256, 82245), (320, 65796), (384, 54830), (480, 43864), (640, 32898), (768, 27415), (960, 21932), (1280, 16449), (1920, 10966), (3840, 5483)]