21023937610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1\times {\mathrm{3701}}^1$

素因数の和:4939

約数の個数: 64

約数和(自身を含む): 41902316064

約数和(自身を除く): 20878378454

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 1181, 2362, 2405, 3701, 4810, 5905, 7402, 11810, 15353, 18505, 30706, 37010, 43697, 48113, 76765, 87394, 96226, 136937, 153530, 218485, 240565, 273874, 436970, 481130, 568061, 684685, 1136122, 1369370, 1780181, 2840305, 3560362, 4370881, 5680610, 8741762, 8900905, 17801810, 21854405, 43708810, 56821453, 113642906, 161722597, 284107265, 323445194, 568214530, 808612985, 1617225970, 2102393761, 4204787522, 10511968805, 21023937610]

約数ペア:

[(1, 21023937610), (2, 10511968805), (5, 4204787522), (10, 2102393761), (13, 1617225970), (26, 808612985), (37, 568214530), (65, 323445194), (74, 284107265), (130, 161722597), (185, 113642906), (370, 56821453), (481, 43708810), (962, 21854405), (1181, 17801810), (2362, 8900905), (2405, 8741762), (3701, 5680610), (4810, 4370881), (5905, 3560362), (7402, 2840305), (11810, 1780181), (15353, 1369370), (18505, 1136122), (30706, 684685), (37010, 568061), (43697, 481130), (48113, 436970), (76765, 273874), (87394, 240565), (96226, 218485), (136937, 153530)]