21994624

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 47393280

約数和(自身を除く): 25398656

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 241, 248, 368, 482, 496, 713, 736, 964, 992, 1426, 1472, 1928, 1984, 2852, 2944, 3856, 3968, 5543, 5704, 7471, 7712, 11086, 11408, 14942, 15424, 22172, 22816, 29884, 30848, 44344, 45632, 59768, 88688, 91264, 119536, 171833, 177376, 239072, 343666, 354752, 478144, 687332, 709504, 956288, 1374664, 2749328, 5498656, 10997312, 21994624]

約数ペア:

[(1, 21994624), (2, 10997312), (4, 5498656), (8, 2749328), (16, 1374664), (23, 956288), (31, 709504), (32, 687332), (46, 478144), (62, 354752), (64, 343666), (92, 239072), (124, 177376), (128, 171833), (184, 119536), (241, 91264), (248, 88688), (368, 59768), (482, 45632), (496, 44344), (713, 30848), (736, 29884), (964, 22816), (992, 22172), (1426, 15424), (1472, 14942), (1928, 11408), (1984, 11086), (2852, 7712), (2944, 7471), (3856, 5704), (3968, 5543)]