21769040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11831}}^1$

素因数の和:11867

約数の個数: 40

約数和(自身を含む): 52818048

約数和(自身を除く): 31049008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 11831, 23662, 47324, 59155, 94648, 118310, 189296, 236620, 272113, 473240, 544226, 946480, 1088452, 1360565, 2176904, 2721130, 4353808, 5442260, 10884520, 21769040]

約数ペア:

[(1, 21769040), (2, 10884520), (4, 5442260), (5, 4353808), (8, 2721130), (10, 2176904), (16, 1360565), (20, 1088452), (23, 946480), (40, 544226), (46, 473240), (80, 272113), (92, 236620), (115, 189296), (184, 118310), (230, 94648), (368, 59155), (460, 47324), (920, 23662), (1840, 11831)]