21535566

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 49896000

約数和(自身を除く): 28360434

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 109, 149, 218, 221, 298, 327, 442, 447, 654, 663, 894, 1326, 1417, 1853, 1937, 2533, 2834, 3706, 3874, 4251, 5066, 5559, 5811, 7599, 8502, 11118, 11622, 15198, 16241, 24089, 32482, 32929, 48178, 48723, 65858, 72267, 97446, 98787, 144534, 197574, 211133, 276097, 422266, 552194, 633399, 828291, 1266798, 1656582, 3589261, 7178522, 10767783, 21535566]

約数ペア:

[(1, 21535566), (2, 10767783), (3, 7178522), (6, 3589261), (13, 1656582), (17, 1266798), (26, 828291), (34, 633399), (39, 552194), (51, 422266), (78, 276097), (102, 211133), (109, 197574), (149, 144534), (218, 98787), (221, 97446), (298, 72267), (327, 65858), (442, 48723), (447, 48178), (654, 32929), (663, 32482), (894, 24089), (1326, 16241), (1417, 15198), (1853, 11622), (1937, 11118), (2533, 8502), (2834, 7599), (3706, 5811), (3874, 5559), (4251, 5066)]