21070333620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16722487}}^1$

素因数の和:16722509

約数の個数: 72

約数和(自身を含む): 73043827584

約数和(自身を除く): 51973493964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16722487, 33444974, 50167461, 66889948, 83612435, 100334922, 117057409, 150502383, 167224870, 200669844, 234114818, 250837305, 301004766, 334449740, 351172227, 468229636, 501674610, 585287045, 602009532, 702344454, 752511915, 1003349220, 1053516681, 1170574090, 1404688908, 1505023830, 1755861135, 2107033362, 2341148180, 3010047660, 3511722270, 4214066724, 5267583405, 7023444540, 10535166810, 21070333620]

約数ペア:

[(1, 21070333620), (2, 10535166810), (3, 7023444540), (4, 5267583405), (5, 4214066724), (6, 3511722270), (7, 3010047660), (9, 2341148180), (10, 2107033362), (12, 1755861135), (14, 1505023830), (15, 1404688908), (18, 1170574090), (20, 1053516681), (21, 1003349220), (28, 752511915), (30, 702344454), (35, 602009532), (36, 585287045), (42, 501674610), (45, 468229636), (60, 351172227), (63, 334449740), (70, 301004766), (84, 250837305), (90, 234114818), (105, 200669844), (126, 167224870), (140, 150502383), (180, 117057409), (210, 100334922), (252, 83612435), (315, 66889948), (420, 50167461), (630, 33444974), (1260, 16722487)]