212310021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{1237}}^1$

素因数の和:2001

約数の個数: 32

約数和(自身を含む): 353691648

約数和(自身を除く): 141381627

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 743, 1237, 2229, 3711, 5201, 8173, 8659, 13607, 15603, 24519, 25977, 40821, 57211, 95249, 171633, 285747, 919091, 2757273, 6433637, 10110001, 19300911, 30330003, 70770007, 212310021]

約数ペア:

[(1, 212310021), (3, 70770007), (7, 30330003), (11, 19300911), (21, 10110001), (33, 6433637), (77, 2757273), (231, 919091), (743, 285747), (1237, 171633), (2229, 95249), (3711, 57211), (5201, 40821), (8173, 25977), (8659, 24519), (13607, 15603)]