21981312

素因数分解:

$2^7\times 3^2\times {\mathrm{19081}}^1$

素因数の和:19101

約数の個数: 48

約数和(自身を含む): 63256830

約数和(自身を除く): 41275518

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 19081, 38162, 57243, 76324, 114486, 152648, 171729, 228972, 305296, 343458, 457944, 610592, 686916, 915888, 1221184, 1373832, 1831776, 2442368, 2747664, 3663552, 5495328, 7327104, 10990656, 21981312]

約数ペア:

[(1, 21981312), (2, 10990656), (3, 7327104), (4, 5495328), (6, 3663552), (8, 2747664), (9, 2442368), (12, 1831776), (16, 1373832), (18, 1221184), (24, 915888), (32, 686916), (36, 610592), (48, 457944), (64, 343458), (72, 305296), (96, 228972), (128, 171729), (144, 152648), (192, 114486), (288, 76324), (384, 57243), (576, 38162), (1152, 19081)]