21903462

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1327}}^1$

素因数の和:1473

約数の個数: 48

約数和(自身を含む): 54692352

約数和(自身を除く): 32788890

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1179, 1327, 1834, 2358, 2654, 2751, 3981, 5502, 7962, 8253, 9289, 11943, 16506, 18578, 23886, 27867, 55734, 83601, 167202, 173837, 347674, 521511, 1043022, 1216859, 1564533, 2433718, 3129066, 3650577, 7301154, 10951731, 21903462]

約数ペア:

[(1, 21903462), (2, 10951731), (3, 7301154), (6, 3650577), (7, 3129066), (9, 2433718), (14, 1564533), (18, 1216859), (21, 1043022), (42, 521511), (63, 347674), (126, 173837), (131, 167202), (262, 83601), (393, 55734), (786, 27867), (917, 23886), (1179, 18578), (1327, 16506), (1834, 11943), (2358, 9289), (2654, 8253), (2751, 7962), (3981, 5502)]