21995484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 63254016

約数和(自身を除く): 41258532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 73, 84, 102, 119, 146, 204, 211, 219, 238, 292, 357, 422, 438, 476, 511, 633, 714, 844, 876, 1022, 1241, 1266, 1428, 1477, 1533, 2044, 2482, 2532, 2954, 3066, 3587, 3723, 4431, 4964, 5908, 6132, 7174, 7446, 8687, 8862, 10761, 14348, 14892, 15403, 17374, 17724, 21522, 25109, 26061, 30806, 34748, 43044, 46209, 50218, 52122, 61612, 75327, 92418, 100436, 104244, 107821, 150654, 184836, 215642, 261851, 301308, 323463, 431284, 523702, 646926, 785553, 1047404, 1293852, 1571106, 1832957, 3142212, 3665914, 5498871, 7331828, 10997742, 21995484]

約数ペア:

[(1, 21995484), (2, 10997742), (3, 7331828), (4, 5498871), (6, 3665914), (7, 3142212), (12, 1832957), (14, 1571106), (17, 1293852), (21, 1047404), (28, 785553), (34, 646926), (42, 523702), (51, 431284), (68, 323463), (73, 301308), (84, 261851), (102, 215642), (119, 184836), (146, 150654), (204, 107821), (211, 104244), (219, 100436), (238, 92418), (292, 75327), (357, 61612), (422, 52122), (438, 50218), (476, 46209), (511, 43044), (633, 34748), (714, 30806), (844, 26061), (876, 25109), (1022, 21522), (1241, 17724), (1266, 17374), (1428, 15403), (1477, 14892), (1533, 14348), (2044, 10761), (2482, 8862), (2532, 8687), (2954, 7446), (3066, 7174), (3587, 6132), (3723, 5908), (4431, 4964)]