21095624

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 48518400

約数和(自身を除く): 27422776

約数列:

[1, 2, 4, 8, 11, 19, 22, 31, 37, 38, 44, 62, 74, 76, 88, 121, 124, 148, 152, 209, 242, 248, 296, 341, 407, 418, 484, 589, 682, 703, 814, 836, 968, 1147, 1178, 1364, 1406, 1628, 1672, 2294, 2299, 2356, 2728, 2812, 3256, 3751, 4477, 4588, 4598, 4712, 5624, 6479, 7502, 7733, 8954, 9176, 9196, 12617, 12958, 15004, 15466, 17908, 18392, 21793, 25234, 25916, 30008, 30932, 35816, 43586, 50468, 51832, 61864, 71269, 85063, 87172, 100936, 138787, 142538, 170126, 174344, 239723, 277574, 285076, 340252, 479446, 555148, 570152, 680504, 958892, 1110296, 1917784, 2636953, 5273906, 10547812, 21095624]

約数ペア:

[(1, 21095624), (2, 10547812), (4, 5273906), (8, 2636953), (11, 1917784), (19, 1110296), (22, 958892), (31, 680504), (37, 570152), (38, 555148), (44, 479446), (62, 340252), (74, 285076), (76, 277574), (88, 239723), (121, 174344), (124, 170126), (148, 142538), (152, 138787), (209, 100936), (242, 87172), (248, 85063), (296, 71269), (341, 61864), (407, 51832), (418, 50468), (484, 43586), (589, 35816), (682, 30932), (703, 30008), (814, 25916), (836, 25234), (968, 21793), (1147, 18392), (1178, 17908), (1364, 15466), (1406, 15004), (1628, 12958), (1672, 12617), (2294, 9196), (2299, 9176), (2356, 8954), (2728, 7733), (2812, 7502), (3256, 6479), (3751, 5624), (4477, 4712), (4588, 4598)]