21442122

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2195

約数の個数: 48

約数和(自身を含む): 51219168

約数和(自身を除く): 29777046

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 2131, 3354, 4262, 5031, 6393, 10062, 12786, 19179, 27703, 38358, 55406, 83109, 91633, 166218, 183266, 249327, 274899, 498654, 549798, 824697, 1191229, 1649394, 2382458, 3573687, 7147374, 10721061, 21442122]

約数ペア:

[(1, 21442122), (2, 10721061), (3, 7147374), (6, 3573687), (9, 2382458), (13, 1649394), (18, 1191229), (26, 824697), (39, 549798), (43, 498654), (78, 274899), (86, 249327), (117, 183266), (129, 166218), (234, 91633), (258, 83109), (387, 55406), (559, 38358), (774, 27703), (1118, 19179), (1677, 12786), (2131, 10062), (3354, 6393), (4262, 5031)]