21610380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 66769920

約数和(自身を除く): 45159540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 137, 165, 220, 239, 274, 330, 411, 478, 548, 660, 685, 717, 822, 956, 1195, 1370, 1434, 1507, 1644, 2055, 2390, 2629, 2740, 2868, 3014, 3585, 4110, 4521, 4780, 5258, 6028, 7170, 7535, 7887, 8220, 9042, 10516, 13145, 14340, 15070, 15774, 18084, 22605, 26290, 30140, 31548, 32743, 39435, 45210, 52580, 65486, 78870, 90420, 98229, 130972, 157740, 163715, 196458, 327430, 360173, 392916, 491145, 654860, 720346, 982290, 1080519, 1440692, 1800865, 1964580, 2161038, 3601730, 4322076, 5402595, 7203460, 10805190, 21610380]

約数ペア:

[(1, 21610380), (2, 10805190), (3, 7203460), (4, 5402595), (5, 4322076), (6, 3601730), (10, 2161038), (11, 1964580), (12, 1800865), (15, 1440692), (20, 1080519), (22, 982290), (30, 720346), (33, 654860), (44, 491145), (55, 392916), (60, 360173), (66, 327430), (110, 196458), (132, 163715), (137, 157740), (165, 130972), (220, 98229), (239, 90420), (274, 78870), (330, 65486), (411, 52580), (478, 45210), (548, 39435), (660, 32743), (685, 31548), (717, 30140), (822, 26290), (956, 22605), (1195, 18084), (1370, 15774), (1434, 15070), (1507, 14340), (1644, 13145), (2055, 10516), (2390, 9042), (2629, 8220), (2740, 7887), (2868, 7535), (3014, 7170), (3585, 6028), (4110, 5258), (4521, 4780)]