21636732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 56077056

約数和(自身を除く): 34440324

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 169, 188, 227, 282, 338, 454, 507, 564, 611, 676, 681, 908, 1014, 1222, 1362, 1833, 2028, 2444, 2724, 2951, 3666, 5902, 7332, 7943, 8853, 10669, 11804, 15886, 17706, 21338, 23829, 31772, 32007, 35412, 38363, 42676, 47658, 64014, 76726, 95316, 115089, 128028, 138697, 153452, 230178, 277394, 416091, 460356, 554788, 832182, 1664364, 1803061, 3606122, 5409183, 7212244, 10818366, 21636732]

約数ペア:

[(1, 21636732), (2, 10818366), (3, 7212244), (4, 5409183), (6, 3606122), (12, 1803061), (13, 1664364), (26, 832182), (39, 554788), (47, 460356), (52, 416091), (78, 277394), (94, 230178), (141, 153452), (156, 138697), (169, 128028), (188, 115089), (227, 95316), (282, 76726), (338, 64014), (454, 47658), (507, 42676), (564, 38363), (611, 35412), (676, 32007), (681, 31772), (908, 23829), (1014, 21338), (1222, 17706), (1362, 15886), (1833, 11804), (2028, 10669), (2444, 8853), (2724, 7943), (2951, 7332), (3666, 5902)]