21496230

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 64584000

約数和(自身を除く): 43087770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 149, 210, 229, 298, 315, 447, 458, 630, 687, 745, 894, 1043, 1145, 1341, 1374, 1490, 1603, 2061, 2086, 2235, 2290, 2682, 3129, 3206, 3435, 4122, 4470, 4809, 5215, 6258, 6705, 6870, 8015, 9387, 9618, 10305, 10430, 13410, 14427, 15645, 16030, 18774, 20610, 24045, 28854, 31290, 34121, 46935, 48090, 68242, 72135, 93870, 102363, 144270, 170605, 204726, 238847, 307089, 341210, 477694, 511815, 614178, 716541, 1023630, 1194235, 1433082, 1535445, 2149623, 2388470, 3070890, 3582705, 4299246, 7165410, 10748115, 21496230]

約数ペア:

[(1, 21496230), (2, 10748115), (3, 7165410), (5, 4299246), (6, 3582705), (7, 3070890), (9, 2388470), (10, 2149623), (14, 1535445), (15, 1433082), (18, 1194235), (21, 1023630), (30, 716541), (35, 614178), (42, 511815), (45, 477694), (63, 341210), (70, 307089), (90, 238847), (105, 204726), (126, 170605), (149, 144270), (210, 102363), (229, 93870), (298, 72135), (315, 68242), (447, 48090), (458, 46935), (630, 34121), (687, 31290), (745, 28854), (894, 24045), (1043, 20610), (1145, 18774), (1341, 16030), (1374, 15645), (1490, 14427), (1603, 13410), (2061, 10430), (2086, 10305), (2235, 9618), (2290, 9387), (2682, 8015), (3129, 6870), (3206, 6705), (3435, 6258), (4122, 5215), (4470, 4809)]