21013056

素因数分解:

$2^6\times 3^2\times {\mathrm{191}}^2$

素因数の和:400

約数の個数: 63

約数和(自身を含む): 60547123

約数和(自身を除く): 39534067

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 191, 192, 288, 382, 573, 576, 764, 1146, 1528, 1719, 2292, 3056, 3438, 4584, 6112, 6876, 9168, 12224, 13752, 18336, 27504, 36481, 36672, 55008, 72962, 109443, 110016, 145924, 218886, 291848, 328329, 437772, 583696, 656658, 875544, 1167392, 1313316, 1751088, 2334784, 2626632, 3502176, 5253264, 7004352, 10506528, 21013056]

約数ペア:

[(1, 21013056), (2, 10506528), (3, 7004352), (4, 5253264), (6, 3502176), (8, 2626632), (9, 2334784), (12, 1751088), (16, 1313316), (18, 1167392), (24, 875544), (32, 656658), (36, 583696), (48, 437772), (64, 328329), (72, 291848), (96, 218886), (144, 145924), (191, 110016), (192, 109443), (288, 72962), (382, 55008), (573, 36672), (576, 36481), (764, 27504), (1146, 18336), (1528, 13752), (1719, 12224), (2292, 9168), (3056, 6876), (3438, 6112)]