21013944

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 62052480

約数和(自身を除く): 41038536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 107, 147, 167, 168, 196, 214, 294, 321, 334, 392, 428, 501, 588, 642, 668, 749, 856, 1002, 1169, 1176, 1284, 1336, 1498, 2004, 2247, 2338, 2568, 2996, 3507, 4008, 4494, 4676, 5243, 5992, 7014, 8183, 8988, 9352, 10486, 14028, 15729, 16366, 17869, 17976, 20972, 24549, 28056, 31458, 32732, 35738, 41944, 49098, 53607, 62916, 65464, 71476, 98196, 107214, 125083, 125832, 142952, 196392, 214428, 250166, 375249, 428856, 500332, 750498, 875581, 1000664, 1500996, 1751162, 2626743, 3001992, 3502324, 5253486, 7004648, 10506972, 21013944]

約数ペア:

[(1, 21013944), (2, 10506972), (3, 7004648), (4, 5253486), (6, 3502324), (7, 3001992), (8, 2626743), (12, 1751162), (14, 1500996), (21, 1000664), (24, 875581), (28, 750498), (42, 500332), (49, 428856), (56, 375249), (84, 250166), (98, 214428), (107, 196392), (147, 142952), (167, 125832), (168, 125083), (196, 107214), (214, 98196), (294, 71476), (321, 65464), (334, 62916), (392, 53607), (428, 49098), (501, 41944), (588, 35738), (642, 32732), (668, 31458), (749, 28056), (856, 24549), (1002, 20972), (1169, 17976), (1176, 17869), (1284, 16366), (1336, 15729), (1498, 14028), (2004, 10486), (2247, 9352), (2338, 8988), (2568, 8183), (2996, 7014), (3507, 5992), (4008, 5243), (4494, 4676)]