21782288636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{34897}}^1$

素因数の和:35154

約数の個数: 48

約数和(自身を含む): 41274562560

約数和(自身を除く): 19492273924

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 191, 382, 764, 817, 1634, 3268, 3629, 7258, 8213, 14516, 16426, 32852, 34897, 69794, 139588, 156047, 312094, 624188, 663043, 1326086, 1500571, 2652172, 3001142, 6002284, 6665327, 13330654, 26661308, 28510849, 57021698, 114043396, 126641213, 253282426, 286609061, 506564852, 573218122, 1146436244, 5445572159, 10891144318, 21782288636]

約数ペア:

[(1, 21782288636), (2, 10891144318), (4, 5445572159), (19, 1146436244), (38, 573218122), (43, 506564852), (76, 286609061), (86, 253282426), (172, 126641213), (191, 114043396), (382, 57021698), (764, 28510849), (817, 26661308), (1634, 13330654), (3268, 6665327), (3629, 6002284), (7258, 3001142), (8213, 2652172), (14516, 1500571), (16426, 1326086), (32852, 663043), (34897, 624188), (69794, 312094), (139588, 156047)]