21533680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38453}}^1$

素因数の和:38473

約数の個数: 40

約数和(自身を含む): 57219552

約数和(自身を除く): 35685872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38453, 76906, 153812, 192265, 269171, 307624, 384530, 538342, 615248, 769060, 1076684, 1345855, 1538120, 2153368, 2691710, 3076240, 4306736, 5383420, 10766840, 21533680]

約数ペア:

[(1, 21533680), (2, 10766840), (4, 5383420), (5, 4306736), (7, 3076240), (8, 2691710), (10, 2153368), (14, 1538120), (16, 1345855), (20, 1076684), (28, 769060), (35, 615248), (40, 538342), (56, 384530), (70, 307624), (80, 269171), (112, 192265), (140, 153812), (280, 76906), (560, 38453)]