21167712

素因数分解:

$2^5\times 3^2\times {\mathrm{67}}^1\times {\mathrm{1097}}^1$

素因数の和:1180

約数の個数: 72

約数和(自身を含む): 61149816

約数和(自身を除く): 39982104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 67, 72, 96, 134, 144, 201, 268, 288, 402, 536, 603, 804, 1072, 1097, 1206, 1608, 2144, 2194, 2412, 3216, 3291, 4388, 4824, 6432, 6582, 8776, 9648, 9873, 13164, 17552, 19296, 19746, 26328, 35104, 39492, 52656, 73499, 78984, 105312, 146998, 157968, 220497, 293996, 315936, 440994, 587992, 661491, 881988, 1175984, 1322982, 1763976, 2351968, 2645964, 3527952, 5291928, 7055904, 10583856, 21167712]

約数ペア:

[(1, 21167712), (2, 10583856), (3, 7055904), (4, 5291928), (6, 3527952), (8, 2645964), (9, 2351968), (12, 1763976), (16, 1322982), (18, 1175984), (24, 881988), (32, 661491), (36, 587992), (48, 440994), (67, 315936), (72, 293996), (96, 220497), (134, 157968), (144, 146998), (201, 105312), (268, 78984), (288, 73499), (402, 52656), (536, 39492), (603, 35104), (804, 26328), (1072, 19746), (1097, 19296), (1206, 17552), (1608, 13164), (2144, 9873), (2194, 9648), (2412, 8776), (3216, 6582), (3291, 6432), (4388, 4824)]