21101476048

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{111229}}^1$

素因数の和:111475

約数の個数: 40

約数和(自身を含む): 41708580480

約数和(自身を除く): 20607104432

約数列:

[1, 2, 4, 8, 16, 71, 142, 167, 284, 334, 568, 668, 1136, 1336, 2672, 11857, 23714, 47428, 94856, 111229, 189712, 222458, 444916, 889832, 1779664, 7897259, 15794518, 18575243, 31589036, 37150486, 63178072, 74300972, 126356144, 148601944, 297203888, 1318842253, 2637684506, 5275369012, 10550738024, 21101476048]

約数ペア:

[(1, 21101476048), (2, 10550738024), (4, 5275369012), (8, 2637684506), (16, 1318842253), (71, 297203888), (142, 148601944), (167, 126356144), (284, 74300972), (334, 63178072), (568, 37150486), (668, 31589036), (1136, 18575243), (1336, 15794518), (2672, 7897259), (11857, 1779664), (23714, 889832), (47428, 444916), (94856, 222458), (111229, 189712)]