21849030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 65894400

約数和(自身を除く): 44045370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 79, 90, 105, 126, 158, 210, 237, 315, 395, 439, 474, 553, 630, 711, 790, 878, 1106, 1185, 1317, 1422, 1659, 2195, 2370, 2634, 2765, 3073, 3318, 3555, 3951, 4390, 4977, 5530, 6146, 6585, 7110, 7902, 8295, 9219, 9954, 13170, 15365, 16590, 18438, 19755, 24885, 27657, 30730, 34681, 39510, 46095, 49770, 55314, 69362, 92190, 104043, 138285, 173405, 208086, 242767, 276570, 312129, 346810, 485534, 520215, 624258, 728301, 1040430, 1213835, 1456602, 1560645, 2184903, 2427670, 3121290, 3641505, 4369806, 7283010, 10924515, 21849030]

約数ペア:

[(1, 21849030), (2, 10924515), (3, 7283010), (5, 4369806), (6, 3641505), (7, 3121290), (9, 2427670), (10, 2184903), (14, 1560645), (15, 1456602), (18, 1213835), (21, 1040430), (30, 728301), (35, 624258), (42, 520215), (45, 485534), (63, 346810), (70, 312129), (79, 276570), (90, 242767), (105, 208086), (126, 173405), (158, 138285), (210, 104043), (237, 92190), (315, 69362), (395, 55314), (439, 49770), (474, 46095), (553, 39510), (630, 34681), (711, 30730), (790, 27657), (878, 24885), (1106, 19755), (1185, 18438), (1317, 16590), (1422, 15365), (1659, 13170), (2195, 9954), (2370, 9219), (2634, 8295), (2765, 7902), (3073, 7110), (3318, 6585), (3555, 6146), (3951, 5530), (4390, 4977)]