21256904370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1613}}^1\times {\mathrm{33791}}^1$

素因数の和:35427

約数の個数: 64

約数和(自身を含む): 54976610304

約数和(自身を除く): 33719705934

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1613, 3226, 4839, 8065, 9678, 16130, 20969, 24195, 33791, 41938, 48390, 62907, 67582, 101373, 104845, 125814, 168955, 202746, 209690, 314535, 337910, 439283, 506865, 629070, 878566, 1013730, 1317849, 2196415, 2635698, 4392830, 6589245, 13178490, 54504883, 109009766, 163514649, 272524415, 327029298, 545048830, 708563479, 817573245, 1417126958, 1635146490, 2125690437, 3542817395, 4251380874, 7085634790, 10628452185, 21256904370]

約数ペア:

[(1, 21256904370), (2, 10628452185), (3, 7085634790), (5, 4251380874), (6, 3542817395), (10, 2125690437), (13, 1635146490), (15, 1417126958), (26, 817573245), (30, 708563479), (39, 545048830), (65, 327029298), (78, 272524415), (130, 163514649), (195, 109009766), (390, 54504883), (1613, 13178490), (3226, 6589245), (4839, 4392830), (8065, 2635698), (9678, 2196415), (16130, 1317849), (20969, 1013730), (24195, 878566), (33791, 629070), (41938, 506865), (48390, 439283), (62907, 337910), (67582, 314535), (101373, 209690), (104845, 202746), (125814, 168955)]