2021096680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{16421}}^1$

素因数の和:16630

約数の個数: 64

約数和(自身を含む): 4841862480

約数和(自身を除く): 2820765800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 181, 340, 362, 680, 724, 905, 1448, 1810, 3077, 3620, 6154, 7240, 12308, 15385, 16421, 24616, 30770, 32842, 61540, 65684, 82105, 123080, 131368, 164210, 279157, 328420, 558314, 656840, 1116628, 1395785, 2233256, 2791570, 2972201, 5583140, 5944402, 11166280, 11888804, 14861005, 23777608, 29722010, 50527417, 59444020, 101054834, 118888040, 202109668, 252637085, 404219336, 505274170, 1010548340, 2021096680]

約数ペア:

[(1, 2021096680), (2, 1010548340), (4, 505274170), (5, 404219336), (8, 252637085), (10, 202109668), (17, 118888040), (20, 101054834), (34, 59444020), (40, 50527417), (68, 29722010), (85, 23777608), (136, 14861005), (170, 11888804), (181, 11166280), (340, 5944402), (362, 5583140), (680, 2972201), (724, 2791570), (905, 2233256), (1448, 1395785), (1810, 1116628), (3077, 656840), (3620, 558314), (6154, 328420), (7240, 279157), (12308, 164210), (15385, 131368), (16421, 123080), (24616, 82105), (30770, 65684), (32842, 61540)]