21598976

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 52244640

約数和(自身を除く): 30645664

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 709, 896, 952, 1088, 1418, 1792, 1904, 2176, 2836, 3808, 4352, 4963, 5672, 7616, 9926, 11344, 12053, 15232, 19852, 22688, 24106, 30464, 39704, 45376, 48212, 79408, 84371, 90752, 96424, 158816, 168742, 181504, 192848, 317632, 337484, 385696, 635264, 674968, 771392, 1270528, 1349936, 1542784, 2699872, 3085568, 5399744, 10799488, 21598976]

約数ペア:

[(1, 21598976), (2, 10799488), (4, 5399744), (7, 3085568), (8, 2699872), (14, 1542784), (16, 1349936), (17, 1270528), (28, 771392), (32, 674968), (34, 635264), (56, 385696), (64, 337484), (68, 317632), (112, 192848), (119, 181504), (128, 168742), (136, 158816), (224, 96424), (238, 90752), (256, 84371), (272, 79408), (448, 48212), (476, 45376), (544, 39704), (709, 30464), (896, 24106), (952, 22688), (1088, 19852), (1418, 15232), (1792, 12053), (1904, 11344), (2176, 9926), (2836, 7616), (3808, 5672), (4352, 4963)]