21942480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:413

約数の個数: 160

約数和(自身を含む): 80066304

約数和(自身を除く): 58123824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 296, 336, 353, 370, 420, 444, 518, 555, 560, 592, 706, 740, 777, 840, 888, 1036, 1059, 1110, 1295, 1412, 1480, 1554, 1680, 1765, 1776, 2072, 2118, 2220, 2471, 2590, 2824, 2960, 3108, 3530, 3885, 4144, 4236, 4440, 4942, 5180, 5295, 5648, 6216, 7060, 7413, 7770, 8472, 8880, 9884, 10360, 10590, 12355, 12432, 13061, 14120, 14826, 15540, 16944, 19768, 20720, 21180, 24710, 26122, 28240, 29652, 31080, 37065, 39183, 39536, 42360, 49420, 52244, 59304, 62160, 65305, 74130, 78366, 84720, 91427, 98840, 104488, 118608, 130610, 148260, 156732, 182854, 195915, 197680, 208976, 261220, 274281, 296520, 313464, 365708, 391830, 457135, 522440, 548562, 593040, 626928, 731416, 783660, 914270, 1044880, 1097124, 1371405, 1462832, 1567320, 1828540, 2194248, 2742810, 3134640, 3657080, 4388496, 5485620, 7314160, 10971240, 21942480]

約数ペア:

[(1, 21942480), (2, 10971240), (3, 7314160), (4, 5485620), (5, 4388496), (6, 3657080), (7, 3134640), (8, 2742810), (10, 2194248), (12, 1828540), (14, 1567320), (15, 1462832), (16, 1371405), (20, 1097124), (21, 1044880), (24, 914270), (28, 783660), (30, 731416), (35, 626928), (37, 593040), (40, 548562), (42, 522440), (48, 457135), (56, 391830), (60, 365708), (70, 313464), (74, 296520), (80, 274281), (84, 261220), (105, 208976), (111, 197680), (112, 195915), (120, 182854), (140, 156732), (148, 148260), (168, 130610), (185, 118608), (210, 104488), (222, 98840), (240, 91427), (259, 84720), (280, 78366), (296, 74130), (336, 65305), (353, 62160), (370, 59304), (420, 52244), (444, 49420), (518, 42360), (555, 39536), (560, 39183), (592, 37065), (706, 31080), (740, 29652), (777, 28240), (840, 26122), (888, 24710), (1036, 21180), (1059, 20720), (1110, 19768), (1295, 16944), (1412, 15540), (1480, 14826), (1554, 14120), (1680, 13061), (1765, 12432), (1776, 12355), (2072, 10590), (2118, 10360), (2220, 9884), (2471, 8880), (2590, 8472), (2824, 7770), (2960, 7413), (3108, 7060), (3530, 6216), (3885, 5648), (4144, 5295), (4236, 5180), (4440, 4942)]