21376140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1151

約数の個数: 96

約数和(自身を含む): 66769920

約数和(自身を除く): 45393780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1103, 1140, 1292, 1615, 1938, 2206, 3230, 3309, 3876, 4412, 4845, 5515, 6460, 6618, 9690, 11030, 13236, 16545, 18751, 19380, 20957, 22060, 33090, 37502, 41914, 56253, 62871, 66180, 75004, 83828, 93755, 104785, 112506, 125742, 187510, 209570, 225012, 251484, 281265, 314355, 356269, 375020, 419140, 562530, 628710, 712538, 1068807, 1125060, 1257420, 1425076, 1781345, 2137614, 3562690, 4275228, 5344035, 7125380, 10688070, 21376140]

約数ペア:

[(1, 21376140), (2, 10688070), (3, 7125380), (4, 5344035), (5, 4275228), (6, 3562690), (10, 2137614), (12, 1781345), (15, 1425076), (17, 1257420), (19, 1125060), (20, 1068807), (30, 712538), (34, 628710), (38, 562530), (51, 419140), (57, 375020), (60, 356269), (68, 314355), (76, 281265), (85, 251484), (95, 225012), (102, 209570), (114, 187510), (170, 125742), (190, 112506), (204, 104785), (228, 93755), (255, 83828), (285, 75004), (323, 66180), (340, 62871), (380, 56253), (510, 41914), (570, 37502), (646, 33090), (969, 22060), (1020, 20957), (1103, 19380), (1140, 18751), (1292, 16545), (1615, 13236), (1938, 11030), (2206, 9690), (3230, 6618), (3309, 6460), (3876, 5515), (4412, 4845)]