21698160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8219}}^1$

素因数の和:8246

約数の個数: 80

約数和(自身を含む): 73388160

約数和(自身を除く): 51690000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8219, 16438, 24657, 32876, 41095, 49314, 65752, 82190, 90409, 98628, 123285, 131504, 164380, 180818, 197256, 246570, 271227, 328760, 361636, 394512, 452045, 493140, 542454, 657520, 723272, 904090, 986280, 1084908, 1356135, 1446544, 1808180, 1972560, 2169816, 2712270, 3616360, 4339632, 5424540, 7232720, 10849080, 21698160]

約数ペア:

[(1, 21698160), (2, 10849080), (3, 7232720), (4, 5424540), (5, 4339632), (6, 3616360), (8, 2712270), (10, 2169816), (11, 1972560), (12, 1808180), (15, 1446544), (16, 1356135), (20, 1084908), (22, 986280), (24, 904090), (30, 723272), (33, 657520), (40, 542454), (44, 493140), (48, 452045), (55, 394512), (60, 361636), (66, 328760), (80, 271227), (88, 246570), (110, 197256), (120, 180818), (132, 164380), (165, 131504), (176, 123285), (220, 98628), (240, 90409), (264, 82190), (330, 65752), (440, 49314), (528, 41095), (660, 32876), (880, 24657), (1320, 16438), (2640, 8219)]