21623490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 69880320

約数和(自身を除く): 48256830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 85, 90, 102, 105, 119, 126, 135, 153, 170, 189, 210, 238, 255, 270, 306, 315, 357, 378, 459, 510, 595, 630, 673, 714, 765, 918, 945, 1071, 1190, 1346, 1530, 1785, 1890, 2019, 2142, 2295, 3213, 3365, 3570, 4038, 4590, 4711, 5355, 6057, 6426, 6730, 9422, 10095, 10710, 11441, 12114, 14133, 16065, 18171, 20190, 22882, 23555, 28266, 30285, 32130, 34323, 36342, 42399, 47110, 57205, 60570, 68646, 70665, 80087, 84798, 90855, 102969, 114410, 127197, 141330, 160174, 171615, 181710, 205938, 211995, 240261, 254394, 308907, 343230, 400435, 423990, 480522, 514845, 617814, 635985, 720783, 800870, 1029690, 1201305, 1271970, 1441566, 1544535, 2162349, 2402610, 3089070, 3603915, 4324698, 7207830, 10811745, 21623490]

約数ペア:

[(1, 21623490), (2, 10811745), (3, 7207830), (5, 4324698), (6, 3603915), (7, 3089070), (9, 2402610), (10, 2162349), (14, 1544535), (15, 1441566), (17, 1271970), (18, 1201305), (21, 1029690), (27, 800870), (30, 720783), (34, 635985), (35, 617814), (42, 514845), (45, 480522), (51, 423990), (54, 400435), (63, 343230), (70, 308907), (85, 254394), (90, 240261), (102, 211995), (105, 205938), (119, 181710), (126, 171615), (135, 160174), (153, 141330), (170, 127197), (189, 114410), (210, 102969), (238, 90855), (255, 84798), (270, 80087), (306, 70665), (315, 68646), (357, 60570), (378, 57205), (459, 47110), (510, 42399), (595, 36342), (630, 34323), (673, 32130), (714, 30285), (765, 28266), (918, 23555), (945, 22882), (1071, 20190), (1190, 18171), (1346, 16065), (1530, 14133), (1785, 12114), (1890, 11441), (2019, 10710), (2142, 10095), (2295, 9422), (3213, 6730), (3365, 6426), (3570, 6057), (4038, 5355), (4590, 4711)]