21872928

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{269}}^1$

素因数の和:311

約数の個数: 144

約数和(自身を含む): 72394560

約数和(自身を除く): 50521632

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 66, 77, 84, 88, 96, 112, 121, 132, 154, 168, 176, 224, 231, 242, 264, 269, 308, 336, 352, 363, 462, 484, 528, 538, 616, 672, 726, 807, 847, 924, 968, 1056, 1076, 1232, 1452, 1614, 1694, 1848, 1883, 1936, 2152, 2464, 2541, 2904, 2959, 3228, 3388, 3696, 3766, 3872, 4304, 5082, 5649, 5808, 5918, 6456, 6776, 7392, 7532, 8608, 8877, 10164, 11298, 11616, 11836, 12912, 13552, 15064, 17754, 20328, 20713, 22596, 23672, 25824, 27104, 30128, 32549, 35508, 40656, 41426, 45192, 47344, 60256, 62139, 65098, 71016, 81312, 82852, 90384, 94688, 97647, 124278, 130196, 142032, 165704, 180768, 195294, 227843, 248556, 260392, 284064, 331408, 390588, 455686, 497112, 520784, 662816, 683529, 781176, 911372, 994224, 1041568, 1367058, 1562352, 1822744, 1988448, 2734116, 3124704, 3645488, 5468232, 7290976, 10936464, 21872928]

約数ペア:

[(1, 21872928), (2, 10936464), (3, 7290976), (4, 5468232), (6, 3645488), (7, 3124704), (8, 2734116), (11, 1988448), (12, 1822744), (14, 1562352), (16, 1367058), (21, 1041568), (22, 994224), (24, 911372), (28, 781176), (32, 683529), (33, 662816), (42, 520784), (44, 497112), (48, 455686), (56, 390588), (66, 331408), (77, 284064), (84, 260392), (88, 248556), (96, 227843), (112, 195294), (121, 180768), (132, 165704), (154, 142032), (168, 130196), (176, 124278), (224, 97647), (231, 94688), (242, 90384), (264, 82852), (269, 81312), (308, 71016), (336, 65098), (352, 62139), (363, 60256), (462, 47344), (484, 45192), (528, 41426), (538, 40656), (616, 35508), (672, 32549), (726, 30128), (807, 27104), (847, 25824), (924, 23672), (968, 22596), (1056, 20713), (1076, 20328), (1232, 17754), (1452, 15064), (1614, 13552), (1694, 12912), (1848, 11836), (1883, 11616), (1936, 11298), (2152, 10164), (2464, 8877), (2541, 8608), (2904, 7532), (2959, 7392), (3228, 6776), (3388, 6456), (3696, 5918), (3766, 5808), (3872, 5649), (4304, 5082)]