21726612

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 58810752

約数和(自身を除く): 37084140

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 131, 153, 204, 262, 271, 306, 393, 524, 542, 612, 786, 813, 1084, 1179, 1572, 1626, 2227, 2358, 2439, 3252, 4454, 4607, 4716, 4878, 6681, 8908, 9214, 9756, 13362, 13821, 18428, 20043, 26724, 27642, 35501, 40086, 41463, 55284, 71002, 80172, 82926, 106503, 142004, 165852, 213006, 319509, 426012, 603517, 639018, 1207034, 1278036, 1810551, 2414068, 3621102, 5431653, 7242204, 10863306, 21726612]

約数ペア:

[(1, 21726612), (2, 10863306), (3, 7242204), (4, 5431653), (6, 3621102), (9, 2414068), (12, 1810551), (17, 1278036), (18, 1207034), (34, 639018), (36, 603517), (51, 426012), (68, 319509), (102, 213006), (131, 165852), (153, 142004), (204, 106503), (262, 82926), (271, 80172), (306, 71002), (393, 55284), (524, 41463), (542, 40086), (612, 35501), (786, 27642), (813, 26724), (1084, 20043), (1179, 18428), (1572, 13821), (1626, 13362), (2227, 9756), (2358, 9214), (2439, 8908), (3252, 6681), (4454, 4878), (4607, 4716)]