21185262

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{439}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 52715520

約数和(自身を除く): 31530258

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 383, 439, 766, 878, 1149, 1317, 2298, 2634, 2681, 3073, 3447, 3951, 5362, 6146, 6894, 7902, 8043, 9219, 16086, 18438, 24129, 27657, 48258, 55314, 168137, 336274, 504411, 1008822, 1176959, 1513233, 2353918, 3026466, 3530877, 7061754, 10592631, 21185262]

約数ペア:

[(1, 21185262), (2, 10592631), (3, 7061754), (6, 3530877), (7, 3026466), (9, 2353918), (14, 1513233), (18, 1176959), (21, 1008822), (42, 504411), (63, 336274), (126, 168137), (383, 55314), (439, 48258), (766, 27657), (878, 24129), (1149, 18438), (1317, 16086), (2298, 9219), (2634, 8043), (2681, 7902), (3073, 6894), (3447, 6146), (3951, 5362)]