21194638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 13641842

約数列:

[1, 2, 23, 31, 46, 62, 89, 167, 178, 334, 713, 1426, 2047, 2759, 3841, 4094, 5177, 5518, 7682, 10354, 14863, 29726, 63457, 119071, 126914, 238142, 341849, 460753, 683698, 921506, 10597319, 21194638]

約数ペア:

[(1, 21194638), (2, 10597319), (23, 921506), (31, 683698), (46, 460753), (62, 341849), (89, 238142), (167, 126914), (178, 119071), (334, 63457), (713, 29726), (1426, 14863), (2047, 10354), (2759, 7682), (3841, 5518), (4094, 5177)]