21769410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55819}}^1$

素因数の和:55842

約数の個数: 32

約数和(自身を含む): 56266560

約数和(自身を除く): 34497150

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 55819, 111638, 167457, 279095, 334914, 558190, 725647, 837285, 1451294, 1674570, 2176941, 3628235, 4353882, 7256470, 10884705, 21769410]

約数ペア:

[(1, 21769410), (2, 10884705), (3, 7256470), (5, 4353882), (6, 3628235), (10, 2176941), (13, 1674570), (15, 1451294), (26, 837285), (30, 725647), (39, 558190), (65, 334914), (78, 279095), (130, 167457), (195, 111638), (390, 55819)]