21354079040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9533071}}^1$

素因数の和:9533095

約数の個数: 56

約数和(自身を含む): 58113606912

約数和(自身を除く): 36759527872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9533071, 19066142, 38132284, 47665355, 66731497, 76264568, 95330710, 133462994, 152529136, 190661420, 266925988, 305058272, 333657485, 381322840, 533851976, 610116544, 667314970, 762645680, 1067703952, 1334629940, 1525291360, 2135407904, 2669259880, 3050582720, 4270815808, 5338519760, 10677039520, 21354079040]

約数ペア:

[(1, 21354079040), (2, 10677039520), (4, 5338519760), (5, 4270815808), (7, 3050582720), (8, 2669259880), (10, 2135407904), (14, 1525291360), (16, 1334629940), (20, 1067703952), (28, 762645680), (32, 667314970), (35, 610116544), (40, 533851976), (56, 381322840), (64, 333657485), (70, 305058272), (80, 266925988), (112, 190661420), (140, 152529136), (160, 133462994), (224, 95330710), (280, 76264568), (320, 66731497), (448, 47665355), (560, 38132284), (1120, 19066142), (2240, 9533071)]