21167131390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1\times {\mathrm{1531}}^1$

素因数の和:2105

約数の個数: 64

約数和(自身を含む): 39829450752

約数和(自身を除く): 18662319362

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 433, 515, 866, 1030, 1531, 2165, 3062, 3193, 4330, 6386, 7655, 13423, 15310, 15965, 26846, 31930, 44599, 47461, 67115, 89198, 94922, 134230, 157693, 222995, 237305, 315386, 445990, 474610, 662923, 788465, 1325846, 1382569, 1576930, 2765138, 3314615, 4888483, 6629230, 6912845, 9776966, 13825690, 20550613, 24442415, 41101226, 48884830, 68281069, 102753065, 136562138, 205506130, 341405345, 682810690, 2116713139, 4233426278, 10583565695, 21167131390]

約数ペア:

[(1, 21167131390), (2, 10583565695), (5, 4233426278), (10, 2116713139), (31, 682810690), (62, 341405345), (103, 205506130), (155, 136562138), (206, 102753065), (310, 68281069), (433, 48884830), (515, 41101226), (866, 24442415), (1030, 20550613), (1531, 13825690), (2165, 9776966), (3062, 6912845), (3193, 6629230), (4330, 4888483), (6386, 3314615), (7655, 2765138), (13423, 1576930), (15310, 1382569), (15965, 1325846), (26846, 788465), (31930, 662923), (44599, 474610), (47461, 445990), (67115, 315386), (89198, 237305), (94922, 222995), (134230, 157693)]