21419388

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1187

約数の個数: 72

約数和(自身を含む): 59230080

約数和(自身を除く): 37810692

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 68, 93, 102, 124, 153, 186, 204, 279, 306, 372, 527, 558, 612, 1054, 1116, 1129, 1581, 2108, 2258, 3162, 3387, 4516, 4743, 6324, 6774, 9486, 10161, 13548, 18972, 19193, 20322, 34999, 38386, 40644, 57579, 69998, 76772, 104997, 115158, 139996, 172737, 209994, 230316, 314991, 345474, 419988, 594983, 629982, 690948, 1189966, 1259964, 1784949, 2379932, 3569898, 5354847, 7139796, 10709694, 21419388]

約数ペア:

[(1, 21419388), (2, 10709694), (3, 7139796), (4, 5354847), (6, 3569898), (9, 2379932), (12, 1784949), (17, 1259964), (18, 1189966), (31, 690948), (34, 629982), (36, 594983), (51, 419988), (62, 345474), (68, 314991), (93, 230316), (102, 209994), (124, 172737), (153, 139996), (186, 115158), (204, 104997), (279, 76772), (306, 69998), (372, 57579), (527, 40644), (558, 38386), (612, 34999), (1054, 20322), (1116, 19193), (1129, 18972), (1581, 13548), (2108, 10161), (2258, 9486), (3162, 6774), (3387, 6324), (4516, 4743)]