21829208

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 23789992

約数列:

[1, 2, 4, 8, 23, 31, 43, 46, 62, 86, 89, 92, 124, 172, 178, 184, 248, 344, 356, 712, 713, 989, 1333, 1426, 1978, 2047, 2666, 2759, 2852, 3827, 3956, 4094, 5332, 5518, 5704, 7654, 7912, 8188, 10664, 11036, 15308, 16376, 22072, 30616, 30659, 61318, 63457, 88021, 118637, 122636, 126914, 176042, 237274, 245272, 253828, 352084, 474548, 507656, 704168, 949096, 2728651, 5457302, 10914604, 21829208]

約数ペア:

[(1, 21829208), (2, 10914604), (4, 5457302), (8, 2728651), (23, 949096), (31, 704168), (43, 507656), (46, 474548), (62, 352084), (86, 253828), (89, 245272), (92, 237274), (124, 176042), (172, 126914), (178, 122636), (184, 118637), (248, 88021), (344, 63457), (356, 61318), (712, 30659), (713, 30616), (989, 22072), (1333, 16376), (1426, 15308), (1978, 11036), (2047, 10664), (2666, 8188), (2759, 7912), (2852, 7654), (3827, 5704), (3956, 5518), (4094, 5332)]