21647052

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 68769792

約数和(自身を除く): 47122740

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 31, 34, 36, 42, 51, 62, 63, 68, 84, 93, 102, 119, 124, 126, 153, 163, 186, 204, 217, 238, 252, 279, 306, 326, 357, 372, 434, 476, 489, 527, 558, 612, 651, 652, 714, 868, 978, 1054, 1071, 1116, 1141, 1302, 1428, 1467, 1581, 1953, 1956, 2108, 2142, 2282, 2604, 2771, 2934, 3162, 3423, 3689, 3906, 4284, 4564, 4743, 5053, 5542, 5868, 6324, 6846, 7378, 7812, 8313, 9486, 10106, 10269, 11067, 11084, 13692, 14756, 15159, 16626, 18972, 19397, 20212, 20538, 22134, 24939, 30318, 33201, 33252, 35371, 38794, 41076, 44268, 45477, 49878, 58191, 60636, 66402, 70742, 77588, 85901, 90954, 99756, 106113, 116382, 132804, 141484, 171802, 174573, 181908, 212226, 232764, 257703, 318339, 343604, 349146, 424452, 515406, 601307, 636678, 698292, 773109, 1030812, 1202614, 1273356, 1546218, 1803921, 2405228, 3092436, 3607842, 5411763, 7215684, 10823526, 21647052]

約数ペア:

[(1, 21647052), (2, 10823526), (3, 7215684), (4, 5411763), (6, 3607842), (7, 3092436), (9, 2405228), (12, 1803921), (14, 1546218), (17, 1273356), (18, 1202614), (21, 1030812), (28, 773109), (31, 698292), (34, 636678), (36, 601307), (42, 515406), (51, 424452), (62, 349146), (63, 343604), (68, 318339), (84, 257703), (93, 232764), (102, 212226), (119, 181908), (124, 174573), (126, 171802), (153, 141484), (163, 132804), (186, 116382), (204, 106113), (217, 99756), (238, 90954), (252, 85901), (279, 77588), (306, 70742), (326, 66402), (357, 60636), (372, 58191), (434, 49878), (476, 45477), (489, 44268), (527, 41076), (558, 38794), (612, 35371), (651, 33252), (652, 33201), (714, 30318), (868, 24939), (978, 22134), (1054, 20538), (1071, 20212), (1116, 19397), (1141, 18972), (1302, 16626), (1428, 15159), (1467, 14756), (1581, 13692), (1953, 11084), (1956, 11067), (2108, 10269), (2142, 10106), (2282, 9486), (2604, 8313), (2771, 7812), (2934, 7378), (3162, 6846), (3423, 6324), (3689, 5868), (3906, 5542), (4284, 5053), (4564, 4743)]