21866760

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:437

約数の個数: 160

約数和(自身を含む): 78015960

約数和(自身を除く): 56149200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 255, 270, 306, 324, 340, 360, 397, 405, 408, 459, 510, 540, 612, 648, 680, 765, 794, 810, 918, 1020, 1080, 1191, 1224, 1377, 1530, 1588, 1620, 1836, 1985, 2040, 2295, 2382, 2754, 3060, 3176, 3240, 3573, 3672, 3970, 4590, 4764, 5508, 5955, 6120, 6749, 6885, 7146, 7940, 9180, 9528, 10719, 11016, 11910, 13498, 13770, 14292, 15880, 17865, 18360, 20247, 21438, 23820, 26996, 27540, 28584, 32157, 33745, 35730, 40494, 42876, 47640, 53595, 53992, 55080, 60741, 64314, 67490, 71460, 80988, 85752, 101235, 107190, 121482, 128628, 134980, 142920, 160785, 161976, 182223, 202470, 214380, 242964, 257256, 269960, 303705, 321570, 364446, 404940, 428760, 485928, 546669, 607410, 643140, 728892, 809880, 911115, 1093338, 1214820, 1286280, 1457784, 1822230, 2186676, 2429640, 2733345, 3644460, 4373352, 5466690, 7288920, 10933380, 21866760]

約数ペア:

[(1, 21866760), (2, 10933380), (3, 7288920), (4, 5466690), (5, 4373352), (6, 3644460), (8, 2733345), (9, 2429640), (10, 2186676), (12, 1822230), (15, 1457784), (17, 1286280), (18, 1214820), (20, 1093338), (24, 911115), (27, 809880), (30, 728892), (34, 643140), (36, 607410), (40, 546669), (45, 485928), (51, 428760), (54, 404940), (60, 364446), (68, 321570), (72, 303705), (81, 269960), (85, 257256), (90, 242964), (102, 214380), (108, 202470), (120, 182223), (135, 161976), (136, 160785), (153, 142920), (162, 134980), (170, 128628), (180, 121482), (204, 107190), (216, 101235), (255, 85752), (270, 80988), (306, 71460), (324, 67490), (340, 64314), (360, 60741), (397, 55080), (405, 53992), (408, 53595), (459, 47640), (510, 42876), (540, 40494), (612, 35730), (648, 33745), (680, 32157), (765, 28584), (794, 27540), (810, 26996), (918, 23820), (1020, 21438), (1080, 20247), (1191, 18360), (1224, 17865), (1377, 15880), (1530, 14292), (1588, 13770), (1620, 13498), (1836, 11910), (1985, 11016), (2040, 10719), (2295, 9528), (2382, 9180), (2754, 7940), (3060, 7146), (3176, 6885), (3240, 6749), (3573, 6120), (3672, 5955), (3970, 5508), (4590, 4764)]