21158064

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 160

約数和(自身を含む): 66781440

約数和(自身を除く): 45623376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 43, 48, 51, 54, 67, 68, 72, 86, 102, 108, 129, 134, 136, 144, 153, 172, 201, 204, 216, 258, 268, 272, 306, 344, 387, 402, 408, 432, 459, 516, 536, 603, 612, 688, 731, 774, 804, 816, 918, 1032, 1072, 1139, 1161, 1206, 1224, 1462, 1548, 1608, 1809, 1836, 2064, 2193, 2278, 2322, 2412, 2448, 2881, 2924, 3096, 3216, 3417, 3618, 3672, 4386, 4556, 4644, 4824, 5762, 5848, 6192, 6579, 6834, 7236, 7344, 8643, 8772, 9112, 9288, 9648, 10251, 11524, 11696, 13158, 13668, 14472, 17286, 17544, 18224, 18576, 19737, 20502, 23048, 25929, 26316, 27336, 28944, 30753, 34572, 35088, 39474, 41004, 46096, 48977, 51858, 52632, 54672, 61506, 69144, 77787, 78948, 82008, 97954, 103716, 105264, 123012, 138288, 146931, 155574, 157896, 164016, 195908, 207432, 246024, 293862, 311148, 315792, 391816, 414864, 440793, 492048, 587724, 622296, 783632, 881586, 1175448, 1244592, 1322379, 1763172, 2350896, 2644758, 3526344, 5289516, 7052688, 10579032, 21158064]

約数ペア:

[(1, 21158064), (2, 10579032), (3, 7052688), (4, 5289516), (6, 3526344), (8, 2644758), (9, 2350896), (12, 1763172), (16, 1322379), (17, 1244592), (18, 1175448), (24, 881586), (27, 783632), (34, 622296), (36, 587724), (43, 492048), (48, 440793), (51, 414864), (54, 391816), (67, 315792), (68, 311148), (72, 293862), (86, 246024), (102, 207432), (108, 195908), (129, 164016), (134, 157896), (136, 155574), (144, 146931), (153, 138288), (172, 123012), (201, 105264), (204, 103716), (216, 97954), (258, 82008), (268, 78948), (272, 77787), (306, 69144), (344, 61506), (387, 54672), (402, 52632), (408, 51858), (432, 48977), (459, 46096), (516, 41004), (536, 39474), (603, 35088), (612, 34572), (688, 30753), (731, 28944), (774, 27336), (804, 26316), (816, 25929), (918, 23048), (1032, 20502), (1072, 19737), (1139, 18576), (1161, 18224), (1206, 17544), (1224, 17286), (1462, 14472), (1548, 13668), (1608, 13158), (1809, 11696), (1836, 11524), (2064, 10251), (2193, 9648), (2278, 9288), (2322, 9112), (2412, 8772), (2448, 8643), (2881, 7344), (2924, 7236), (3096, 6834), (3216, 6579), (3417, 6192), (3618, 5848), (3672, 5762), (4386, 4824), (4556, 4644)]