21167488

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{2711}}^1$

素因数の和:2786

約数の個数: 32

約数和(自身を含む): 42876720

約数和(自身を除く): 21709232

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 2711, 3904, 5422, 7808, 10844, 21688, 43376, 86752, 165371, 173504, 330742, 347008, 661484, 1322968, 2645936, 5291872, 10583744, 21167488]

約数ペア:

[(1, 21167488), (2, 10583744), (4, 5291872), (8, 2645936), (16, 1322968), (32, 661484), (61, 347008), (64, 330742), (122, 173504), (128, 165371), (244, 86752), (488, 43376), (976, 21688), (1952, 10844), (2711, 7808), (3904, 5422)]