21550152

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 61891200

約数和(自身を除く): 40341048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 239, 289, 312, 408, 442, 478, 578, 663, 717, 867, 884, 956, 1156, 1326, 1434, 1734, 1768, 1912, 2312, 2652, 2868, 3107, 3468, 3757, 4063, 5304, 5736, 6214, 6936, 7514, 8126, 9321, 11271, 12189, 12428, 15028, 16252, 18642, 22542, 24378, 24856, 30056, 32504, 37284, 45084, 48756, 52819, 69071, 74568, 90168, 97512, 105638, 138142, 158457, 207213, 211276, 276284, 316914, 414426, 422552, 552568, 633828, 828852, 897923, 1267656, 1657704, 1795846, 2693769, 3591692, 5387538, 7183384, 10775076, 21550152]

約数ペア:

[(1, 21550152), (2, 10775076), (3, 7183384), (4, 5387538), (6, 3591692), (8, 2693769), (12, 1795846), (13, 1657704), (17, 1267656), (24, 897923), (26, 828852), (34, 633828), (39, 552568), (51, 422552), (52, 414426), (68, 316914), (78, 276284), (102, 211276), (104, 207213), (136, 158457), (156, 138142), (204, 105638), (221, 97512), (239, 90168), (289, 74568), (312, 69071), (408, 52819), (442, 48756), (478, 45084), (578, 37284), (663, 32504), (717, 30056), (867, 24856), (884, 24378), (956, 22542), (1156, 18642), (1326, 16252), (1434, 15028), (1734, 12428), (1768, 12189), (1912, 11271), (2312, 9321), (2652, 8126), (2868, 7514), (3107, 6936), (3468, 6214), (3757, 5736), (4063, 5304)]