21870792

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 63348480

約数和(自身を除く): 41477688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 47, 69, 72, 92, 94, 138, 141, 184, 188, 207, 276, 281, 282, 376, 414, 423, 552, 562, 564, 828, 843, 846, 1081, 1124, 1128, 1656, 1686, 1692, 2162, 2248, 2529, 3243, 3372, 3384, 4324, 5058, 6463, 6486, 6744, 8648, 9729, 10116, 12926, 12972, 13207, 19389, 19458, 20232, 25852, 25944, 26414, 38778, 38916, 39621, 51704, 52828, 58167, 77556, 77832, 79242, 105656, 116334, 118863, 155112, 158484, 232668, 237726, 303761, 316968, 465336, 475452, 607522, 911283, 950904, 1215044, 1822566, 2430088, 2733849, 3645132, 5467698, 7290264, 10935396, 21870792]

約数ペア:

[(1, 21870792), (2, 10935396), (3, 7290264), (4, 5467698), (6, 3645132), (8, 2733849), (9, 2430088), (12, 1822566), (18, 1215044), (23, 950904), (24, 911283), (36, 607522), (46, 475452), (47, 465336), (69, 316968), (72, 303761), (92, 237726), (94, 232668), (138, 158484), (141, 155112), (184, 118863), (188, 116334), (207, 105656), (276, 79242), (281, 77832), (282, 77556), (376, 58167), (414, 52828), (423, 51704), (552, 39621), (562, 38916), (564, 38778), (828, 26414), (843, 25944), (846, 25852), (1081, 20232), (1124, 19458), (1128, 19389), (1656, 13207), (1686, 12972), (1692, 12926), (2162, 10116), (2248, 9729), (2529, 8648), (3243, 6744), (3372, 6486), (3384, 6463), (4324, 5058)]