21353660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 47621952

約数和(自身を除く): 26268292

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 761, 1220, 1403, 1522, 2806, 3044, 3805, 5612, 7015, 7610, 14030, 15220, 17503, 28060, 35006, 46421, 70012, 87515, 92842, 175030, 185684, 232105, 350060, 464210, 928420, 1067683, 2135366, 4270732, 5338415, 10676830, 21353660]

約数ペア:

[(1, 21353660), (2, 10676830), (4, 5338415), (5, 4270732), (10, 2135366), (20, 1067683), (23, 928420), (46, 464210), (61, 350060), (92, 232105), (115, 185684), (122, 175030), (230, 92842), (244, 87515), (305, 70012), (460, 46421), (610, 35006), (761, 28060), (1220, 17503), (1403, 15220), (1522, 14030), (2806, 7610), (3044, 7015), (3805, 5612)]