21416328

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17497}}^1$

素因数の和:17526

約数の個数: 48

約数和(自身を含む): 61417980

約数和(自身を除く): 40001652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17497, 34994, 52491, 69988, 104982, 139976, 157473, 209964, 297449, 314946, 419928, 594898, 629892, 892347, 1189796, 1259784, 1784694, 2379592, 2677041, 3569388, 5354082, 7138776, 10708164, 21416328]

約数ペア:

[(1, 21416328), (2, 10708164), (3, 7138776), (4, 5354082), (6, 3569388), (8, 2677041), (9, 2379592), (12, 1784694), (17, 1259784), (18, 1189796), (24, 892347), (34, 629892), (36, 594898), (51, 419928), (68, 314946), (72, 297449), (102, 209964), (136, 157473), (153, 139976), (204, 104982), (306, 69988), (408, 52491), (612, 34994), (1224, 17497)]