21199206

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3853}}^1$

素因数の和:3996

約数の個数: 32

約数和(自身を含む): 48837888

約数和(自身を除く): 27638682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 2751, 3853, 5502, 7706, 11559, 23118, 26971, 53942, 80913, 161826, 504743, 1009486, 1514229, 3028458, 3533201, 7066402, 10599603, 21199206]

約数ペア:

[(1, 21199206), (2, 10599603), (3, 7066402), (6, 3533201), (7, 3028458), (14, 1514229), (21, 1009486), (42, 504743), (131, 161826), (262, 80913), (393, 53942), (786, 26971), (917, 23118), (1834, 11559), (2751, 7706), (3853, 5502)]