21386952

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 62295480

約数和(自身を除く): 40908528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 101, 102, 136, 153, 173, 202, 204, 303, 306, 346, 404, 408, 519, 606, 612, 692, 808, 909, 1038, 1212, 1224, 1384, 1557, 1717, 1818, 2076, 2424, 2941, 3114, 3434, 3636, 4152, 5151, 5882, 6228, 6868, 7272, 8823, 10302, 11764, 12456, 13736, 15453, 17473, 17646, 20604, 23528, 26469, 30906, 34946, 35292, 41208, 52419, 52938, 61812, 69892, 70584, 104838, 105876, 123624, 139784, 157257, 209676, 211752, 297041, 314514, 419352, 594082, 629028, 891123, 1188164, 1258056, 1782246, 2376328, 2673369, 3564492, 5346738, 7128984, 10693476, 21386952]

約数ペア:

[(1, 21386952), (2, 10693476), (3, 7128984), (4, 5346738), (6, 3564492), (8, 2673369), (9, 2376328), (12, 1782246), (17, 1258056), (18, 1188164), (24, 891123), (34, 629028), (36, 594082), (51, 419352), (68, 314514), (72, 297041), (101, 211752), (102, 209676), (136, 157257), (153, 139784), (173, 123624), (202, 105876), (204, 104838), (303, 70584), (306, 69892), (346, 61812), (404, 52938), (408, 52419), (519, 41208), (606, 35292), (612, 34946), (692, 30906), (808, 26469), (909, 23528), (1038, 20604), (1212, 17646), (1224, 17473), (1384, 15453), (1557, 13736), (1717, 12456), (1818, 11764), (2076, 10302), (2424, 8823), (2941, 7272), (3114, 6868), (3434, 6228), (3636, 5882), (4152, 5151)]