21230147260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{19489}}^1$

素因数の和:19787

約数の個数: 96

約数和(自身を含む): 52808232960

約数和(自身を除く): 31578085700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 251, 310, 434, 502, 620, 868, 1004, 1085, 1255, 1757, 2170, 2510, 3514, 4340, 5020, 7028, 7781, 8785, 15562, 17570, 19489, 31124, 35140, 38905, 38978, 54467, 77810, 77956, 97445, 108934, 136423, 155620, 194890, 217868, 272335, 272846, 389780, 544670, 545692, 604159, 682115, 1089340, 1208318, 1364230, 2416636, 2728460, 3020795, 4229113, 4891739, 6041590, 8458226, 9783478, 12083180, 16916452, 19566956, 21145565, 24458695, 34242173, 42291130, 48917390, 68484346, 84582260, 97834780, 136968692, 151643909, 171210865, 303287818, 342421730, 606575636, 684843460, 758219545, 1061507363, 1516439090, 2123014726, 3032878180, 4246029452, 5307536815, 10615073630, 21230147260]

約数ペア:

[(1, 21230147260), (2, 10615073630), (4, 5307536815), (5, 4246029452), (7, 3032878180), (10, 2123014726), (14, 1516439090), (20, 1061507363), (28, 758219545), (31, 684843460), (35, 606575636), (62, 342421730), (70, 303287818), (124, 171210865), (140, 151643909), (155, 136968692), (217, 97834780), (251, 84582260), (310, 68484346), (434, 48917390), (502, 42291130), (620, 34242173), (868, 24458695), (1004, 21145565), (1085, 19566956), (1255, 16916452), (1757, 12083180), (2170, 9783478), (2510, 8458226), (3514, 6041590), (4340, 4891739), (5020, 4229113), (7028, 3020795), (7781, 2728460), (8785, 2416636), (15562, 1364230), (17570, 1208318), (19489, 1089340), (31124, 682115), (35140, 604159), (38905, 545692), (38978, 544670), (54467, 389780), (77810, 272846), (77956, 272335), (97445, 217868), (108934, 194890), (136423, 155620)]