21903670474

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1\times {\mathrm{521}}^1$

素因数の和:1111

約数の個数: 64

約数和(自身を含む): 38743391232

約数和(自身を除く): 16839720758

約数列:

[1, 2, 7, 14, 47, 94, 181, 329, 353, 362, 521, 658, 706, 1042, 1267, 2471, 2534, 3647, 4942, 7294, 8507, 16591, 17014, 24487, 33182, 48974, 59549, 63893, 94301, 116137, 119098, 127786, 171409, 183913, 188602, 232274, 342818, 367826, 447251, 660107, 894502, 1287391, 1320214, 2574782, 3002971, 4432147, 6005942, 8643911, 8864294, 17287822, 21020797, 31025029, 33288253, 42041594, 60507377, 62050058, 66576506, 121014754, 233017771, 466035542, 1564547891, 3129095782, 10951835237, 21903670474]

約数ペア:

[(1, 21903670474), (2, 10951835237), (7, 3129095782), (14, 1564547891), (47, 466035542), (94, 233017771), (181, 121014754), (329, 66576506), (353, 62050058), (362, 60507377), (521, 42041594), (658, 33288253), (706, 31025029), (1042, 21020797), (1267, 17287822), (2471, 8864294), (2534, 8643911), (3647, 6005942), (4942, 4432147), (7294, 3002971), (8507, 2574782), (16591, 1320214), (17014, 1287391), (24487, 894502), (33182, 660107), (48974, 447251), (59549, 367826), (63893, 342818), (94301, 232274), (116137, 188602), (119098, 183913), (127786, 171409)]