21138026700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^3\times {\mathrm{205423}}^1$

素因数の和:205461

約数の個数: 144

約数和(自身を含む): 71323212800

約数和(自身を除く): 50185186100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 343, 350, 420, 490, 525, 588, 686, 700, 735, 980, 1029, 1050, 1225, 1372, 1470, 1715, 2058, 2100, 2450, 2940, 3430, 3675, 4116, 4900, 5145, 6860, 7350, 8575, 10290, 14700, 17150, 20580, 25725, 34300, 51450, 102900, 205423, 410846, 616269, 821692, 1027115, 1232538, 1437961, 2054230, 2465076, 2875922, 3081345, 4108460, 4313883, 5135575, 5751844, 6162690, 7189805, 8627766, 10065727, 10271150, 12325380, 14379610, 15406725, 17255532, 20131454, 20542300, 21569415, 28759220, 30197181, 30813450, 35949025, 40262908, 43138830, 50328635, 60394362, 61626900, 70460089, 71898050, 86277660, 100657270, 107847075, 120788724, 140920178, 143796100, 150985905, 201314540, 211380267, 215694150, 251643175, 281840356, 301971810, 352300445, 422760534, 431388300, 503286350, 603943620, 704600890, 754929525, 845521068, 1006572700, 1056901335, 1409201780, 1509859050, 1761502225, 2113802670, 3019718100, 3523004450, 4227605340, 5284506675, 7046008900, 10569013350, 21138026700]

約数ペア:

[(1, 21138026700), (2, 10569013350), (3, 7046008900), (4, 5284506675), (5, 4227605340), (6, 3523004450), (7, 3019718100), (10, 2113802670), (12, 1761502225), (14, 1509859050), (15, 1409201780), (20, 1056901335), (21, 1006572700), (25, 845521068), (28, 754929525), (30, 704600890), (35, 603943620), (42, 503286350), (49, 431388300), (50, 422760534), (60, 352300445), (70, 301971810), (75, 281840356), (84, 251643175), (98, 215694150), (100, 211380267), (105, 201314540), (140, 150985905), (147, 143796100), (150, 140920178), (175, 120788724), (196, 107847075), (210, 100657270), (245, 86277660), (294, 71898050), (300, 70460089), (343, 61626900), (350, 60394362), (420, 50328635), (490, 43138830), (525, 40262908), (588, 35949025), (686, 30813450), (700, 30197181), (735, 28759220), (980, 21569415), (1029, 20542300), (1050, 20131454), (1225, 17255532), (1372, 15406725), (1470, 14379610), (1715, 12325380), (2058, 10271150), (2100, 10065727), (2450, 8627766), (2940, 7189805), (3430, 6162690), (3675, 5751844), (4116, 5135575), (4900, 4313883), (5145, 4108460), (6860, 3081345), (7350, 2875922), (8575, 2465076), (10290, 2054230), (14700, 1437961), (17150, 1232538), (20580, 1027115), (25725, 821692), (34300, 616269), (51450, 410846), (102900, 205423)]