21506632

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 32925368

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 29, 34, 38, 41, 56, 58, 68, 76, 82, 116, 119, 133, 136, 152, 164, 203, 232, 238, 266, 287, 323, 328, 406, 476, 493, 532, 551, 574, 646, 697, 779, 812, 952, 986, 1064, 1102, 1148, 1189, 1292, 1394, 1558, 1624, 1972, 2204, 2261, 2296, 2378, 2584, 2788, 3116, 3451, 3857, 3944, 4408, 4522, 4756, 4879, 5453, 5576, 6232, 6902, 7714, 8323, 9044, 9367, 9512, 9758, 10906, 13243, 13804, 15428, 16646, 18088, 18734, 19516, 20213, 21812, 22591, 26486, 27608, 30856, 33292, 37468, 39032, 40426, 43624, 45182, 52972, 65569, 66584, 74936, 80852, 90364, 92701, 105944, 131138, 141491, 158137, 161704, 180728, 185402, 262276, 282982, 316274, 370804, 384047, 524552, 565964, 632548, 741608, 768094, 1131928, 1265096, 1536188, 2688329, 3072376, 5376658, 10753316, 21506632]

約数ペア:

[(1, 21506632), (2, 10753316), (4, 5376658), (7, 3072376), (8, 2688329), (14, 1536188), (17, 1265096), (19, 1131928), (28, 768094), (29, 741608), (34, 632548), (38, 565964), (41, 524552), (56, 384047), (58, 370804), (68, 316274), (76, 282982), (82, 262276), (116, 185402), (119, 180728), (133, 161704), (136, 158137), (152, 141491), (164, 131138), (203, 105944), (232, 92701), (238, 90364), (266, 80852), (287, 74936), (323, 66584), (328, 65569), (406, 52972), (476, 45182), (493, 43624), (532, 40426), (551, 39032), (574, 37468), (646, 33292), (697, 30856), (779, 27608), (812, 26486), (952, 22591), (986, 21812), (1064, 20213), (1102, 19516), (1148, 18734), (1189, 18088), (1292, 16646), (1394, 15428), (1558, 13804), (1624, 13243), (1972, 10906), (2204, 9758), (2261, 9512), (2296, 9367), (2378, 9044), (2584, 8323), (2788, 7714), (3116, 6902), (3451, 6232), (3857, 5576), (3944, 5453), (4408, 4879), (4522, 4756)]