21410150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 21920410

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 190, 310, 475, 589, 727, 775, 950, 1178, 1454, 1550, 2945, 3635, 5890, 7270, 13813, 14725, 18175, 22537, 27626, 29450, 36350, 45074, 69065, 112685, 138130, 225370, 345325, 428203, 563425, 690650, 856406, 1126850, 2141015, 4282030, 10705075, 21410150]

約数ペア:

[(1, 21410150), (2, 10705075), (5, 4282030), (10, 2141015), (19, 1126850), (25, 856406), (31, 690650), (38, 563425), (50, 428203), (62, 345325), (95, 225370), (155, 138130), (190, 112685), (310, 69065), (475, 45074), (589, 36350), (727, 29450), (775, 27626), (950, 22537), (1178, 18175), (1454, 14725), (1550, 13813), (2945, 7270), (3635, 5890)]