21880362

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3917}}^1$

素因数の和:3955

約数の個数: 48

約数和(自身を含む): 53598240

約数和(自身を除く): 31717878

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 3917, 5586, 7834, 11751, 23502, 27419, 54838, 74423, 82257, 148846, 164514, 191933, 223269, 383866, 446538, 520961, 575799, 1041922, 1151598, 1562883, 3125766, 3646727, 7293454, 10940181, 21880362]

約数ペア:

[(1, 21880362), (2, 10940181), (3, 7293454), (6, 3646727), (7, 3125766), (14, 1562883), (19, 1151598), (21, 1041922), (38, 575799), (42, 520961), (49, 446538), (57, 383866), (98, 223269), (114, 191933), (133, 164514), (147, 148846), (266, 82257), (294, 74423), (399, 54838), (798, 27419), (931, 23502), (1862, 11751), (2793, 7834), (3917, 5586)]