21336420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1429

約数の個数: 96

約数和(自身を含む): 70172928

約数和(自身を除く): 48836508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1373, 1554, 2220, 2590, 2746, 3108, 3885, 4119, 5180, 5492, 6865, 7770, 8238, 9611, 13730, 15540, 16476, 19222, 20595, 27460, 28833, 38444, 41190, 48055, 50801, 57666, 82380, 96110, 101602, 115332, 144165, 152403, 192220, 203204, 254005, 288330, 304806, 355607, 508010, 576660, 609612, 711214, 762015, 1016020, 1066821, 1422428, 1524030, 1778035, 2133642, 3048060, 3556070, 4267284, 5334105, 7112140, 10668210, 21336420]

約数ペア:

[(1, 21336420), (2, 10668210), (3, 7112140), (4, 5334105), (5, 4267284), (6, 3556070), (7, 3048060), (10, 2133642), (12, 1778035), (14, 1524030), (15, 1422428), (20, 1066821), (21, 1016020), (28, 762015), (30, 711214), (35, 609612), (37, 576660), (42, 508010), (60, 355607), (70, 304806), (74, 288330), (84, 254005), (105, 203204), (111, 192220), (140, 152403), (148, 144165), (185, 115332), (210, 101602), (222, 96110), (259, 82380), (370, 57666), (420, 50801), (444, 48055), (518, 41190), (555, 38444), (740, 28833), (777, 27460), (1036, 20595), (1110, 19222), (1295, 16476), (1373, 15540), (1554, 13730), (2220, 9611), (2590, 8238), (2746, 7770), (3108, 6865), (3885, 5492), (4119, 5180)]