21989469585

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1\times {\mathrm{1423}}^1$

素因数の和:2454

約数の個数: 64

約数和(自身を含む): 37559697408

約数和(自身を除く): 15570227823

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 953, 1081, 1423, 2859, 3243, 4269, 4765, 5405, 7115, 14295, 16215, 21345, 21919, 32729, 44791, 65757, 66881, 98187, 109595, 134373, 163645, 200643, 223955, 328785, 334405, 490935, 671865, 1003215, 1030193, 1356119, 1538263, 3090579, 4068357, 4614789, 5150965, 6780595, 7691315, 15452895, 20341785, 23073945, 31190737, 63737593, 93572211, 155953685, 191212779, 318687965, 467861055, 956063895, 1465964639, 4397893917, 7329823195, 21989469585]

約数ペア:

[(1, 21989469585), (3, 7329823195), (5, 4397893917), (15, 1465964639), (23, 956063895), (47, 467861055), (69, 318687965), (115, 191212779), (141, 155953685), (235, 93572211), (345, 63737593), (705, 31190737), (953, 23073945), (1081, 20341785), (1423, 15452895), (2859, 7691315), (3243, 6780595), (4269, 5150965), (4765, 4614789), (5405, 4068357), (7115, 3090579), (14295, 1538263), (16215, 1356119), (21345, 1030193), (21919, 1003215), (32729, 671865), (44791, 490935), (65757, 334405), (66881, 328785), (98187, 223955), (109595, 200643), (134373, 163645)]