21903570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 62283312

約数和(自身を除く): 40379742

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 97, 117, 130, 193, 194, 195, 234, 291, 386, 390, 485, 579, 582, 585, 873, 965, 970, 1158, 1170, 1261, 1455, 1737, 1746, 1930, 2509, 2522, 2895, 2910, 3474, 3783, 4365, 5018, 5790, 6305, 7527, 7566, 8685, 8730, 11349, 12545, 12610, 15054, 17370, 18721, 18915, 22581, 22698, 25090, 37442, 37635, 37830, 45162, 56163, 56745, 75270, 93605, 112326, 112905, 113490, 168489, 187210, 225810, 243373, 280815, 336978, 486746, 561630, 730119, 842445, 1216865, 1460238, 1684890, 2190357, 2433730, 3650595, 4380714, 7301190, 10951785, 21903570]

約数ペア:

[(1, 21903570), (2, 10951785), (3, 7301190), (5, 4380714), (6, 3650595), (9, 2433730), (10, 2190357), (13, 1684890), (15, 1460238), (18, 1216865), (26, 842445), (30, 730119), (39, 561630), (45, 486746), (65, 336978), (78, 280815), (90, 243373), (97, 225810), (117, 187210), (130, 168489), (193, 113490), (194, 112905), (195, 112326), (234, 93605), (291, 75270), (386, 56745), (390, 56163), (485, 45162), (579, 37830), (582, 37635), (585, 37442), (873, 25090), (965, 22698), (970, 22581), (1158, 18915), (1170, 18721), (1261, 17370), (1455, 15054), (1737, 12610), (1746, 12545), (1930, 11349), (2509, 8730), (2522, 8685), (2895, 7566), (2910, 7527), (3474, 6305), (3783, 5790), (4365, 5018)]