21605860432

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{53}}^1\times {\mathrm{11597}}^1$

素因数の和:11697

約数の個数: 80

約数和(自身を含む): 46207823760

約数和(自身を除く): 24601963328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 169, 208, 212, 338, 424, 676, 689, 848, 1352, 1378, 2197, 2704, 2756, 4394, 5512, 8788, 8957, 11024, 11597, 17576, 17914, 23194, 35152, 35828, 46388, 71656, 92776, 116441, 143312, 150761, 185552, 232882, 301522, 465764, 603044, 614641, 931528, 1206088, 1229282, 1863056, 1959893, 2412176, 2458564, 3919786, 4917128, 7839572, 7990333, 9834256, 15679144, 15980666, 25478609, 31358288, 31961332, 50957218, 63922664, 101914436, 103874329, 127845328, 203828872, 207748658, 407657744, 415497316, 830994632, 1350366277, 1661989264, 2700732554, 5401465108, 10802930216, 21605860432]

約数ペア:

[(1, 21605860432), (2, 10802930216), (4, 5401465108), (8, 2700732554), (13, 1661989264), (16, 1350366277), (26, 830994632), (52, 415497316), (53, 407657744), (104, 207748658), (106, 203828872), (169, 127845328), (208, 103874329), (212, 101914436), (338, 63922664), (424, 50957218), (676, 31961332), (689, 31358288), (848, 25478609), (1352, 15980666), (1378, 15679144), (2197, 9834256), (2704, 7990333), (2756, 7839572), (4394, 4917128), (5512, 3919786), (8788, 2458564), (8957, 2412176), (11024, 1959893), (11597, 1863056), (17576, 1229282), (17914, 1206088), (23194, 931528), (35152, 614641), (35828, 603044), (46388, 465764), (71656, 301522), (92776, 232882), (116441, 185552), (143312, 150761)]