21842394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 30688806

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 79, 87, 158, 174, 203, 227, 237, 406, 454, 474, 553, 609, 681, 1106, 1218, 1362, 1589, 1659, 2291, 3178, 3318, 4582, 4767, 6583, 6873, 9534, 13166, 13746, 16037, 17933, 19749, 32074, 35866, 39498, 46081, 48111, 53799, 92162, 96222, 107598, 125531, 138243, 251062, 276486, 376593, 520057, 753186, 1040114, 1560171, 3120342, 3640399, 7280798, 10921197, 21842394]

約数ペア:

[(1, 21842394), (2, 10921197), (3, 7280798), (6, 3640399), (7, 3120342), (14, 1560171), (21, 1040114), (29, 753186), (42, 520057), (58, 376593), (79, 276486), (87, 251062), (158, 138243), (174, 125531), (203, 107598), (227, 96222), (237, 92162), (406, 53799), (454, 48111), (474, 46081), (553, 39498), (609, 35866), (681, 32074), (1106, 19749), (1218, 17933), (1362, 16037), (1589, 13746), (1659, 13166), (2291, 9534), (3178, 6873), (3318, 6583), (4582, 4767)]