21953284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 41759760

約数和(自身を除く): 19806476

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 211, 422, 703, 844, 1369, 1406, 2738, 2812, 4009, 5476, 7807, 8018, 15614, 16036, 26011, 31228, 52022, 104044, 148333, 288859, 296666, 577718, 593332, 1155436, 5488321, 10976642, 21953284]

約数ペア:

[(1, 21953284), (2, 10976642), (4, 5488321), (19, 1155436), (37, 593332), (38, 577718), (74, 296666), (76, 288859), (148, 148333), (211, 104044), (422, 52022), (703, 31228), (844, 26011), (1369, 16036), (1406, 15614), (2738, 8018), (2812, 7807), (4009, 5476)]