21297792

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1499}}^1$

素因数の和:1553

約数の個数: 64

約数和(自身を含む): 58140000

約数和(自身を除く): 36842208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 296, 384, 444, 592, 888, 1184, 1499, 1776, 2368, 2998, 3552, 4497, 4736, 5996, 7104, 8994, 11992, 14208, 17988, 23984, 35976, 47968, 55463, 71952, 95936, 110926, 143904, 166389, 191872, 221852, 287808, 332778, 443704, 575616, 665556, 887408, 1331112, 1774816, 2662224, 3549632, 5324448, 7099264, 10648896, 21297792]

約数ペア:

[(1, 21297792), (2, 10648896), (3, 7099264), (4, 5324448), (6, 3549632), (8, 2662224), (12, 1774816), (16, 1331112), (24, 887408), (32, 665556), (37, 575616), (48, 443704), (64, 332778), (74, 287808), (96, 221852), (111, 191872), (128, 166389), (148, 143904), (192, 110926), (222, 95936), (296, 71952), (384, 55463), (444, 47968), (592, 35976), (888, 23984), (1184, 17988), (1499, 14208), (1776, 11992), (2368, 8994), (2998, 7104), (3552, 5996), (4497, 4736)]