21747328

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 24519872

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 83, 89, 92, 128, 166, 178, 184, 332, 356, 368, 664, 712, 736, 1328, 1424, 1472, 1909, 2047, 2656, 2848, 2944, 3818, 4094, 5312, 5696, 7387, 7636, 8188, 10624, 11392, 14774, 15272, 16376, 29548, 30544, 32752, 59096, 61088, 65504, 118192, 122176, 131008, 169901, 236384, 244352, 262016, 339802, 472768, 679604, 945536, 1359208, 2718416, 5436832, 10873664, 21747328]

約数ペア:

[(1, 21747328), (2, 10873664), (4, 5436832), (8, 2718416), (16, 1359208), (23, 945536), (32, 679604), (46, 472768), (64, 339802), (83, 262016), (89, 244352), (92, 236384), (128, 169901), (166, 131008), (178, 122176), (184, 118192), (332, 65504), (356, 61088), (368, 59096), (664, 32752), (712, 30544), (736, 29548), (1328, 16376), (1424, 15272), (1472, 14774), (1909, 11392), (2047, 10624), (2656, 8188), (2848, 7636), (2944, 7387), (3818, 5696), (4094, 5312)]