21164052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19381}}^1$

素因数の和:19408

約数の個数: 48

約数和(自身を含む): 60781952

約数和(自身を除く): 39617900

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19381, 38762, 58143, 77524, 116286, 135667, 232572, 251953, 271334, 407001, 503906, 542668, 755859, 814002, 1007812, 1511718, 1628004, 1763671, 3023436, 3527342, 5291013, 7054684, 10582026, 21164052]

約数ペア:

[(1, 21164052), (2, 10582026), (3, 7054684), (4, 5291013), (6, 3527342), (7, 3023436), (12, 1763671), (13, 1628004), (14, 1511718), (21, 1007812), (26, 814002), (28, 755859), (39, 542668), (42, 503906), (52, 407001), (78, 271334), (84, 251953), (91, 232572), (156, 135667), (182, 116286), (273, 77524), (364, 58143), (546, 38762), (1092, 19381)]