21179320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23021}}^1$

素因数の和:23055

約数の個数: 32

約数和(自身を含む): 49727520

約数和(自身を除く): 28548200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23021, 46042, 92084, 115105, 184168, 230210, 460420, 529483, 920840, 1058966, 2117932, 2647415, 4235864, 5294830, 10589660, 21179320]

約数ペア:

[(1, 21179320), (2, 10589660), (4, 5294830), (5, 4235864), (8, 2647415), (10, 2117932), (20, 1058966), (23, 920840), (40, 529483), (46, 460420), (92, 230210), (115, 184168), (184, 115105), (230, 92084), (460, 46042), (920, 23021)]