21126827124

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{260941}}^1$

素因数の和:261137

約数の個数: 72

約数和(自身を含む): 57844578792

約数和(自身を除く): 36717751668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 173, 234, 346, 468, 519, 692, 1038, 1557, 2076, 2249, 3114, 4498, 6228, 6747, 8996, 13494, 20241, 26988, 40482, 80964, 260941, 521882, 782823, 1043764, 1565646, 2348469, 3131292, 3392233, 4696938, 6784466, 9393876, 10176699, 13568932, 20353398, 30530097, 40706796, 45142793, 61060194, 90285586, 122120388, 135428379, 180571172, 270856758, 406285137, 541713516, 586856309, 812570274, 1173712618, 1625140548, 1760568927, 2347425236, 3521137854, 5281706781, 7042275708, 10563413562, 21126827124]

約数ペア:

[(1, 21126827124), (2, 10563413562), (3, 7042275708), (4, 5281706781), (6, 3521137854), (9, 2347425236), (12, 1760568927), (13, 1625140548), (18, 1173712618), (26, 812570274), (36, 586856309), (39, 541713516), (52, 406285137), (78, 270856758), (117, 180571172), (156, 135428379), (173, 122120388), (234, 90285586), (346, 61060194), (468, 45142793), (519, 40706796), (692, 30530097), (1038, 20353398), (1557, 13568932), (2076, 10176699), (2249, 9393876), (3114, 6784466), (4498, 4696938), (6228, 3392233), (6747, 3131292), (8996, 2348469), (13494, 1565646), (20241, 1043764), (26988, 782823), (40482, 521882), (80964, 260941)]