21000474618

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1\times {\mathrm{1367}}^1$

素因数の和:1927

約数の個数: 64

約数和(自身を含む): 43411915008

約数和(自身を除く): 22411440390

約数列:

[1, 2, 3, 6, 41, 82, 123, 197, 246, 317, 394, 591, 634, 951, 1182, 1367, 1902, 2734, 4101, 8077, 8202, 12997, 16154, 24231, 25994, 38991, 48462, 56047, 62449, 77982, 112094, 124898, 168141, 187347, 269299, 336282, 374694, 433339, 538598, 807897, 866678, 1300017, 1615794, 2560409, 2600034, 5120818, 7681227, 11041259, 15362454, 17766899, 22082518, 33123777, 35533798, 53300697, 66247554, 85367783, 106601394, 170735566, 256103349, 512206698, 3500079103, 7000158206, 10500237309, 21000474618]

約数ペア:

[(1, 21000474618), (2, 10500237309), (3, 7000158206), (6, 3500079103), (41, 512206698), (82, 256103349), (123, 170735566), (197, 106601394), (246, 85367783), (317, 66247554), (394, 53300697), (591, 35533798), (634, 33123777), (951, 22082518), (1182, 17766899), (1367, 15362454), (1902, 11041259), (2734, 7681227), (4101, 5120818), (8077, 2600034), (8202, 2560409), (12997, 1615794), (16154, 1300017), (24231, 866678), (25994, 807897), (38991, 538598), (48462, 433339), (56047, 374694), (62449, 336282), (77982, 269299), (112094, 187347), (124898, 168141)]