21000316600

素因数分解:

$2^3\times 5^2\times {\mathrm{251}}^1\times {\mathrm{487}}^1\times {\mathrm{859}}^1$

素因数の和:1613

約数の個数: 96

約数和(自身を含む): 49178102400

約数和(自身を除く): 28177785800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 251, 487, 502, 859, 974, 1004, 1255, 1718, 1948, 2008, 2435, 2510, 3436, 3896, 4295, 4870, 5020, 6275, 6872, 8590, 9740, 10040, 12175, 12550, 17180, 19480, 21475, 24350, 25100, 34360, 42950, 48700, 50200, 85900, 97400, 122237, 171800, 215609, 244474, 418333, 431218, 488948, 611185, 836666, 862436, 977896, 1078045, 1222370, 1673332, 1724872, 2091665, 2156090, 2444740, 3055925, 3346664, 4183330, 4312180, 4889480, 5390225, 6111850, 8366660, 8624360, 10458325, 10780450, 12223700, 16733320, 20916650, 21560900, 24447400, 41833300, 43121800, 83666600, 105001583, 210003166, 420006332, 525007915, 840012664, 1050015830, 2100031660, 2625039575, 4200063320, 5250079150, 10500158300, 21000316600]

約数ペア:

[(1, 21000316600), (2, 10500158300), (4, 5250079150), (5, 4200063320), (8, 2625039575), (10, 2100031660), (20, 1050015830), (25, 840012664), (40, 525007915), (50, 420006332), (100, 210003166), (200, 105001583), (251, 83666600), (487, 43121800), (502, 41833300), (859, 24447400), (974, 21560900), (1004, 20916650), (1255, 16733320), (1718, 12223700), (1948, 10780450), (2008, 10458325), (2435, 8624360), (2510, 8366660), (3436, 6111850), (3896, 5390225), (4295, 4889480), (4870, 4312180), (5020, 4183330), (6275, 3346664), (6872, 3055925), (8590, 2444740), (9740, 2156090), (10040, 2091665), (12175, 1724872), (12550, 1673332), (17180, 1222370), (19480, 1078045), (21475, 977896), (24350, 862436), (25100, 836666), (34360, 611185), (42950, 488948), (48700, 431218), (50200, 418333), (85900, 244474), (97400, 215609), (122237, 171800)]