21551184

素因数分解:

$2^4\times 3^5\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 65537472

約数和(自身を除く): 43986288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 81, 92, 108, 138, 144, 162, 184, 207, 216, 241, 243, 276, 324, 368, 414, 432, 482, 486, 552, 621, 648, 723, 828, 964, 972, 1104, 1242, 1296, 1446, 1656, 1863, 1928, 1944, 2169, 2484, 2892, 3312, 3726, 3856, 3888, 4338, 4968, 5543, 5589, 5784, 6507, 7452, 8676, 9936, 11086, 11178, 11568, 13014, 14904, 16629, 17352, 19521, 22172, 22356, 26028, 29808, 33258, 34704, 39042, 44344, 44712, 49887, 52056, 58563, 66516, 78084, 88688, 89424, 99774, 104112, 117126, 133032, 149661, 156168, 199548, 234252, 266064, 299322, 312336, 399096, 448983, 468504, 598644, 798192, 897966, 937008, 1197288, 1346949, 1795932, 2394576, 2693898, 3591864, 5387796, 7183728, 10775592, 21551184]

約数ペア:

[(1, 21551184), (2, 10775592), (3, 7183728), (4, 5387796), (6, 3591864), (8, 2693898), (9, 2394576), (12, 1795932), (16, 1346949), (18, 1197288), (23, 937008), (24, 897966), (27, 798192), (36, 598644), (46, 468504), (48, 448983), (54, 399096), (69, 312336), (72, 299322), (81, 266064), (92, 234252), (108, 199548), (138, 156168), (144, 149661), (162, 133032), (184, 117126), (207, 104112), (216, 99774), (241, 89424), (243, 88688), (276, 78084), (324, 66516), (368, 58563), (414, 52056), (432, 49887), (482, 44712), (486, 44344), (552, 39042), (621, 34704), (648, 33258), (723, 29808), (828, 26028), (964, 22356), (972, 22172), (1104, 19521), (1242, 17352), (1296, 16629), (1446, 14904), (1656, 13014), (1863, 11568), (1928, 11178), (1944, 11086), (2169, 9936), (2484, 8676), (2892, 7452), (3312, 6507), (3726, 5784), (3856, 5589), (3888, 5543), (4338, 4968)]