21093668240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4322473}}^1$

素因数の和:4322547

約数の個数: 40

約数和(自身を含む): 49846770168

約数和(自身を除く): 28753101928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 4322473, 8644946, 17289892, 21612365, 34579784, 43224730, 69159568, 86449460, 172898920, 263670853, 345797840, 527341706, 1054683412, 1318354265, 2109366824, 2636708530, 4218733648, 5273417060, 10546834120, 21093668240]

約数ペア:

[(1, 21093668240), (2, 10546834120), (4, 5273417060), (5, 4218733648), (8, 2636708530), (10, 2109366824), (16, 1318354265), (20, 1054683412), (40, 527341706), (61, 345797840), (80, 263670853), (122, 172898920), (244, 86449460), (305, 69159568), (488, 43224730), (610, 34579784), (976, 21612365), (1220, 17289892), (2440, 8644946), (4880, 4322473)]