21388230528

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{62653}}^1$

素因数の和:62804

約数の個数: 128

約数和(自身を含む): 65440849920

約数和(自身を除く): 44052619392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 127, 128, 168, 192, 224, 254, 336, 381, 384, 448, 508, 672, 762, 889, 896, 1016, 1344, 1524, 1778, 2032, 2667, 2688, 3048, 3556, 4064, 5334, 6096, 7112, 8128, 10668, 12192, 14224, 16256, 21336, 24384, 28448, 42672, 48768, 56896, 62653, 85344, 113792, 125306, 170688, 187959, 250612, 341376, 375918, 438571, 501224, 751836, 877142, 1002448, 1315713, 1503672, 1754284, 2004896, 2631426, 3007344, 3508568, 4009792, 5262852, 6014688, 7017136, 7956931, 8019584, 10525704, 12029376, 14034272, 15913862, 21051408, 23870793, 24058752, 28068544, 31827724, 42102816, 47741586, 55698517, 56137088, 63655448, 84205632, 95483172, 111397034, 127310896, 167095551, 168411264, 190966344, 222794068, 254621792, 334191102, 381932688, 445588136, 509243584, 668382204, 763865376, 891176272, 1018487168, 1336764408, 1527730752, 1782352544, 2673528816, 3055461504, 3564705088, 5347057632, 7129410176, 10694115264, 21388230528]

約数ペア:

[(1, 21388230528), (2, 10694115264), (3, 7129410176), (4, 5347057632), (6, 3564705088), (7, 3055461504), (8, 2673528816), (12, 1782352544), (14, 1527730752), (16, 1336764408), (21, 1018487168), (24, 891176272), (28, 763865376), (32, 668382204), (42, 509243584), (48, 445588136), (56, 381932688), (64, 334191102), (84, 254621792), (96, 222794068), (112, 190966344), (127, 168411264), (128, 167095551), (168, 127310896), (192, 111397034), (224, 95483172), (254, 84205632), (336, 63655448), (381, 56137088), (384, 55698517), (448, 47741586), (508, 42102816), (672, 31827724), (762, 28068544), (889, 24058752), (896, 23870793), (1016, 21051408), (1344, 15913862), (1524, 14034272), (1778, 12029376), (2032, 10525704), (2667, 8019584), (2688, 7956931), (3048, 7017136), (3556, 6014688), (4064, 5262852), (5334, 4009792), (6096, 3508568), (7112, 3007344), (8128, 2631426), (10668, 2004896), (12192, 1754284), (14224, 1503672), (16256, 1315713), (21336, 1002448), (24384, 877142), (28448, 751836), (42672, 501224), (48768, 438571), (56896, 375918), (62653, 341376), (85344, 250612), (113792, 187959), (125306, 170688)]