21917868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 63651840

約数和(自身を除く): 41733972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 57, 62, 76, 84, 93, 114, 124, 133, 186, 217, 228, 266, 372, 399, 434, 443, 532, 589, 651, 798, 868, 886, 1178, 1302, 1329, 1596, 1767, 1772, 2356, 2604, 2658, 3101, 3534, 4123, 5316, 6202, 7068, 8246, 8417, 9303, 12369, 12404, 13733, 16492, 16834, 18606, 24738, 25251, 27466, 33668, 37212, 41199, 49476, 50502, 54932, 58919, 82398, 96131, 101004, 117838, 164796, 176757, 192262, 235676, 260927, 288393, 353514, 384524, 521854, 576786, 707028, 782781, 1043708, 1153572, 1565562, 1826489, 3131124, 3652978, 5479467, 7305956, 10958934, 21917868]

約数ペア:

[(1, 21917868), (2, 10958934), (3, 7305956), (4, 5479467), (6, 3652978), (7, 3131124), (12, 1826489), (14, 1565562), (19, 1153572), (21, 1043708), (28, 782781), (31, 707028), (38, 576786), (42, 521854), (57, 384524), (62, 353514), (76, 288393), (84, 260927), (93, 235676), (114, 192262), (124, 176757), (133, 164796), (186, 117838), (217, 101004), (228, 96131), (266, 82398), (372, 58919), (399, 54932), (434, 50502), (443, 49476), (532, 41199), (589, 37212), (651, 33668), (798, 27466), (868, 25251), (886, 24738), (1178, 18606), (1302, 16834), (1329, 16492), (1596, 13733), (1767, 12404), (1772, 12369), (2356, 9303), (2604, 8417), (2658, 8246), (3101, 7068), (3534, 6202), (4123, 5316)]