21891492

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1302

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 45846108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 84, 92, 108, 126, 138, 161, 189, 207, 252, 276, 322, 378, 414, 483, 621, 644, 756, 828, 966, 1242, 1259, 1449, 1932, 2484, 2518, 2898, 3777, 4347, 5036, 5796, 7554, 8694, 8813, 11331, 15108, 17388, 17626, 22662, 26439, 28957, 33993, 35252, 45324, 52878, 57914, 67986, 79317, 86871, 105756, 115828, 135972, 158634, 173742, 202699, 237951, 260613, 317268, 347484, 405398, 475902, 521226, 608097, 781839, 810796, 951804, 1042452, 1216194, 1563678, 1824291, 2432388, 3127356, 3648582, 5472873, 7297164, 10945746, 21891492]

約数ペア:

[(1, 21891492), (2, 10945746), (3, 7297164), (4, 5472873), (6, 3648582), (7, 3127356), (9, 2432388), (12, 1824291), (14, 1563678), (18, 1216194), (21, 1042452), (23, 951804), (27, 810796), (28, 781839), (36, 608097), (42, 521226), (46, 475902), (54, 405398), (63, 347484), (69, 317268), (84, 260613), (92, 237951), (108, 202699), (126, 173742), (138, 158634), (161, 135972), (189, 115828), (207, 105756), (252, 86871), (276, 79317), (322, 67986), (378, 57914), (414, 52878), (483, 45324), (621, 35252), (644, 33993), (756, 28957), (828, 26439), (966, 22662), (1242, 17626), (1259, 17388), (1449, 15108), (1932, 11331), (2484, 8813), (2518, 8694), (2898, 7554), (3777, 5796), (4347, 5036)]