1821327144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1301}}^1$

素因数の和:1971

約数の個数: 128

約数和(自身を含む): 5617140480

約数和(自身を除く): 3795813336

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 641, 728, 1092, 1282, 1301, 1923, 2184, 2564, 2602, 3846, 3903, 4487, 5128, 5204, 7692, 7806, 8333, 8974, 9107, 10408, 13461, 15384, 15612, 16666, 16913, 17948, 18214, 24999, 26922, 27321, 31224, 33332, 33826, 35896, 36428, 49998, 50739, 53844, 54642, 58331, 66664, 67652, 72856, 99996, 101478, 107688, 109284, 116662, 118391, 135304, 174993, 199992, 202956, 218568, 233324, 236782, 349986, 355173, 405912, 466648, 473564, 699972, 710346, 833941, 947128, 1399944, 1420692, 1667882, 2501823, 2841384, 3335764, 5003646, 5837587, 6671528, 10007292, 10841233, 11675174, 17512761, 20014584, 21682466, 23350348, 32523699, 35025522, 43364932, 46700696, 65047398, 70051044, 75888631, 86729864, 130094796, 140102088, 151777262, 227665893, 260189592, 303554524, 455331786, 607109048, 910663572, 1821327144]

約数ペア:

[(1, 1821327144), (2, 910663572), (3, 607109048), (4, 455331786), (6, 303554524), (7, 260189592), (8, 227665893), (12, 151777262), (13, 140102088), (14, 130094796), (21, 86729864), (24, 75888631), (26, 70051044), (28, 65047398), (39, 46700696), (42, 43364932), (52, 35025522), (56, 32523699), (78, 23350348), (84, 21682466), (91, 20014584), (104, 17512761), (156, 11675174), (168, 10841233), (182, 10007292), (273, 6671528), (312, 5837587), (364, 5003646), (546, 3335764), (641, 2841384), (728, 2501823), (1092, 1667882), (1282, 1420692), (1301, 1399944), (1923, 947128), (2184, 833941), (2564, 710346), (2602, 699972), (3846, 473564), (3903, 466648), (4487, 405912), (5128, 355173), (5204, 349986), (7692, 236782), (7806, 233324), (8333, 218568), (8974, 202956), (9107, 199992), (10408, 174993), (13461, 135304), (15384, 118391), (15612, 116662), (16666, 109284), (16913, 107688), (17948, 101478), (18214, 99996), (24999, 72856), (26922, 67652), (27321, 66664), (31224, 58331), (33332, 54642), (33826, 53844), (35896, 50739), (36428, 49998)]