21698460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1013}}^1$

素因数の和:1052

約数の個数: 144

約数和(自身を含む): 79724736

約数和(自身を除く): 58026276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1013, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2026, 2142, 2380, 3039, 3060, 3570, 4052, 4284, 5065, 5355, 6078, 7091, 7140, 9117, 10130, 10710, 12156, 14182, 15195, 17221, 18234, 20260, 21273, 21420, 28364, 30390, 34442, 35455, 36468, 42546, 45585, 51663, 60780, 63819, 68884, 70910, 85092, 86105, 91170, 103326, 106365, 120547, 127638, 141820, 154989, 172210, 182340, 206652, 212730, 241094, 255276, 258315, 309978, 319095, 344420, 361641, 425460, 482188, 516630, 602735, 619956, 638190, 723282, 774945, 1033260, 1084923, 1205470, 1276380, 1446564, 1549890, 1808205, 2169846, 2410940, 3099780, 3616410, 4339692, 5424615, 7232820, 10849230, 21698460]

約数ペア:

[(1, 21698460), (2, 10849230), (3, 7232820), (4, 5424615), (5, 4339692), (6, 3616410), (7, 3099780), (9, 2410940), (10, 2169846), (12, 1808205), (14, 1549890), (15, 1446564), (17, 1276380), (18, 1205470), (20, 1084923), (21, 1033260), (28, 774945), (30, 723282), (34, 638190), (35, 619956), (36, 602735), (42, 516630), (45, 482188), (51, 425460), (60, 361641), (63, 344420), (68, 319095), (70, 309978), (84, 258315), (85, 255276), (90, 241094), (102, 212730), (105, 206652), (119, 182340), (126, 172210), (140, 154989), (153, 141820), (170, 127638), (180, 120547), (204, 106365), (210, 103326), (238, 91170), (252, 86105), (255, 85092), (306, 70910), (315, 68884), (340, 63819), (357, 60780), (420, 51663), (476, 45585), (510, 42546), (595, 36468), (612, 35455), (630, 34442), (714, 30390), (765, 28364), (1013, 21420), (1020, 21273), (1071, 20260), (1190, 18234), (1260, 17221), (1428, 15195), (1530, 14182), (1785, 12156), (2026, 10710), (2142, 10130), (2380, 9117), (3039, 7140), (3060, 7091), (3570, 6078), (4052, 5355), (4284, 5065)]