21291048

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9539}}^1$

素因数の和:9582

約数の個数: 48

約数和(自身を含む): 59529600

約数和(自身を除く): 38238552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9539, 19078, 28617, 38156, 57234, 76312, 85851, 114468, 171702, 228936, 295709, 343404, 591418, 686808, 887127, 1182836, 1774254, 2365672, 2661381, 3548508, 5322762, 7097016, 10645524, 21291048]

約数ペア:

[(1, 21291048), (2, 10645524), (3, 7097016), (4, 5322762), (6, 3548508), (8, 2661381), (9, 2365672), (12, 1774254), (18, 1182836), (24, 887127), (31, 686808), (36, 591418), (62, 343404), (72, 295709), (93, 228936), (124, 171702), (186, 114468), (248, 85851), (279, 76312), (372, 57234), (558, 38156), (744, 28617), (1116, 19078), (2232, 9539)]