21271896

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{1931}}^1$

素因数の和:1966

約数の個数: 80

約数和(自身を含む): 63118440

約数和(自身を除く): 41846544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 306, 324, 408, 459, 612, 648, 918, 1224, 1377, 1836, 1931, 2754, 3672, 3862, 5508, 5793, 7724, 11016, 11586, 15448, 17379, 23172, 32827, 34758, 46344, 52137, 65654, 69516, 98481, 104274, 131308, 139032, 156411, 196962, 208548, 262616, 295443, 312822, 393924, 417096, 590886, 625644, 787848, 886329, 1181772, 1251288, 1772658, 2363544, 2658987, 3545316, 5317974, 7090632, 10635948, 21271896]

約数ペア:

[(1, 21271896), (2, 10635948), (3, 7090632), (4, 5317974), (6, 3545316), (8, 2658987), (9, 2363544), (12, 1772658), (17, 1251288), (18, 1181772), (24, 886329), (27, 787848), (34, 625644), (36, 590886), (51, 417096), (54, 393924), (68, 312822), (72, 295443), (81, 262616), (102, 208548), (108, 196962), (136, 156411), (153, 139032), (162, 131308), (204, 104274), (216, 98481), (306, 69516), (324, 65654), (408, 52137), (459, 46344), (612, 34758), (648, 32827), (918, 23172), (1224, 17379), (1377, 15448), (1836, 11586), (1931, 11016), (2754, 7724), (3672, 5793), (3862, 5508)]