21549420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6301}}^1$

素因数の和:6335

約数の個数: 72

約数和(自身を含む): 68817840

約数和(自身を除く): 47268420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6301, 12602, 18903, 25204, 31505, 37806, 56709, 63010, 75612, 94515, 113418, 119719, 126020, 189030, 226836, 239438, 283545, 359157, 378060, 478876, 567090, 598595, 718314, 1077471, 1134180, 1197190, 1436628, 1795785, 2154942, 2394380, 3591570, 4309884, 5387355, 7183140, 10774710, 21549420]

約数ペア:

[(1, 21549420), (2, 10774710), (3, 7183140), (4, 5387355), (5, 4309884), (6, 3591570), (9, 2394380), (10, 2154942), (12, 1795785), (15, 1436628), (18, 1197190), (19, 1134180), (20, 1077471), (30, 718314), (36, 598595), (38, 567090), (45, 478876), (57, 378060), (60, 359157), (76, 283545), (90, 239438), (95, 226836), (114, 189030), (171, 126020), (180, 119719), (190, 113418), (228, 94515), (285, 75612), (342, 63010), (380, 56709), (570, 37806), (684, 31505), (855, 25204), (1140, 18903), (1710, 12602), (3420, 6301)]