21788386460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1\times {\mathrm{1487}}^1$

素因数の和:1811

約数の個数: 96

約数和(自身を含む): 47624951808

約数和(自身を除く): 25836565348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 167, 205, 214, 334, 410, 428, 535, 668, 820, 835, 1070, 1487, 1670, 2140, 2974, 3340, 4387, 5948, 6847, 7435, 8774, 13694, 14870, 17548, 17869, 21935, 27388, 29740, 34235, 35738, 43870, 60967, 68470, 71476, 87740, 89345, 121934, 136940, 159109, 178690, 243868, 248329, 304835, 318218, 357380, 496658, 609670, 636436, 732629, 795545, 993316, 1219340, 1241645, 1465258, 1591090, 2483290, 2930516, 3182180, 3663145, 4966580, 6523469, 7326290, 10181489, 13046938, 14652580, 20362978, 26093876, 26571203, 32617345, 40725956, 50907445, 53142406, 65234690, 101814890, 106284812, 130469380, 132856015, 203629780, 265712030, 531424060, 1089419323, 2178838646, 4357677292, 5447096615, 10894193230, 21788386460]

約数ペア:

[(1, 21788386460), (2, 10894193230), (4, 5447096615), (5, 4357677292), (10, 2178838646), (20, 1089419323), (41, 531424060), (82, 265712030), (107, 203629780), (164, 132856015), (167, 130469380), (205, 106284812), (214, 101814890), (334, 65234690), (410, 53142406), (428, 50907445), (535, 40725956), (668, 32617345), (820, 26571203), (835, 26093876), (1070, 20362978), (1487, 14652580), (1670, 13046938), (2140, 10181489), (2974, 7326290), (3340, 6523469), (4387, 4966580), (5948, 3663145), (6847, 3182180), (7435, 2930516), (8774, 2483290), (13694, 1591090), (14870, 1465258), (17548, 1241645), (17869, 1219340), (21935, 993316), (27388, 795545), (29740, 732629), (34235, 636436), (35738, 609670), (43870, 496658), (60967, 357380), (68470, 318218), (71476, 304835), (87740, 248329), (89345, 243868), (121934, 178690), (136940, 159109)]