21337548

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1399}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 31347252

約数列:

[1, 2, 3, 4, 6, 12, 31, 41, 62, 82, 93, 123, 124, 164, 186, 246, 372, 492, 1271, 1399, 2542, 2798, 3813, 4197, 5084, 5596, 7626, 8394, 15252, 16788, 43369, 57359, 86738, 114718, 130107, 172077, 173476, 229436, 260214, 344154, 520428, 688308, 1778129, 3556258, 5334387, 7112516, 10668774, 21337548]

約数ペア:

[(1, 21337548), (2, 10668774), (3, 7112516), (4, 5334387), (6, 3556258), (12, 1778129), (31, 688308), (41, 520428), (62, 344154), (82, 260214), (93, 229436), (123, 173476), (124, 172077), (164, 130107), (186, 114718), (246, 86738), (372, 57359), (492, 43369), (1271, 16788), (1399, 15252), (2542, 8394), (2798, 7626), (3813, 5596), (4197, 5084)]