21269388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 39049332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 101, 109, 138, 161, 202, 218, 276, 303, 322, 327, 404, 436, 483, 606, 644, 654, 707, 763, 966, 1212, 1308, 1414, 1526, 1932, 2121, 2289, 2323, 2507, 2828, 3052, 4242, 4578, 4646, 5014, 6969, 7521, 8484, 9156, 9292, 10028, 11009, 13938, 15042, 16261, 17549, 22018, 27876, 30084, 32522, 33027, 35098, 44036, 48783, 52647, 65044, 66054, 70196, 77063, 97566, 105294, 132108, 154126, 195132, 210588, 231189, 253207, 308252, 462378, 506414, 759621, 924756, 1012828, 1519242, 1772449, 3038484, 3544898, 5317347, 7089796, 10634694, 21269388]

約数ペア:

[(1, 21269388), (2, 10634694), (3, 7089796), (4, 5317347), (6, 3544898), (7, 3038484), (12, 1772449), (14, 1519242), (21, 1012828), (23, 924756), (28, 759621), (42, 506414), (46, 462378), (69, 308252), (84, 253207), (92, 231189), (101, 210588), (109, 195132), (138, 154126), (161, 132108), (202, 105294), (218, 97566), (276, 77063), (303, 70196), (322, 66054), (327, 65044), (404, 52647), (436, 48783), (483, 44036), (606, 35098), (644, 33027), (654, 32522), (707, 30084), (763, 27876), (966, 22018), (1212, 17549), (1308, 16261), (1414, 15042), (1526, 13938), (1932, 11009), (2121, 10028), (2289, 9292), (2323, 9156), (2507, 8484), (2828, 7521), (3052, 6969), (4242, 5014), (4578, 4646)]