221221014

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1093}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 520919040

約数和(自身を除く): 299698026

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 79, 122, 158, 183, 237, 366, 427, 474, 553, 854, 1093, 1106, 1281, 1659, 2186, 2562, 3279, 3318, 4819, 6558, 7651, 9638, 14457, 15302, 22953, 28914, 33733, 45906, 66673, 67466, 86347, 101199, 133346, 172694, 200019, 202398, 259041, 400038, 466711, 518082, 604429, 933422, 1208858, 1400133, 1813287, 2800266, 3626574, 5267167, 10534334, 15801501, 31603002, 36870169, 73740338, 110610507, 221221014]

約数ペア:

[(1, 221221014), (2, 110610507), (3, 73740338), (6, 36870169), (7, 31603002), (14, 15801501), (21, 10534334), (42, 5267167), (61, 3626574), (79, 2800266), (122, 1813287), (158, 1400133), (183, 1208858), (237, 933422), (366, 604429), (427, 518082), (474, 466711), (553, 400038), (854, 259041), (1093, 202398), (1106, 200019), (1281, 172694), (1659, 133346), (2186, 101199), (2562, 86347), (3279, 67466), (3318, 66673), (4819, 45906), (6558, 33733), (7651, 28914), (9638, 22953), (14457, 15302)]