21825560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{14747}}^1$

素因数の和:14795

約数の個数: 32

約数和(自身を含む): 50438160

約数和(自身を除く): 28612600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 14747, 29494, 58988, 73735, 117976, 147470, 294940, 545639, 589880, 1091278, 2182556, 2728195, 4365112, 5456390, 10912780, 21825560]

約数ペア:

[(1, 21825560), (2, 10912780), (4, 5456390), (5, 4365112), (8, 2728195), (10, 2182556), (20, 1091278), (37, 589880), (40, 545639), (74, 294940), (148, 147470), (185, 117976), (296, 73735), (370, 58988), (740, 29494), (1480, 14747)]