21474621840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12782513}}^1$

素因数の和:12782536

約数の個数: 80

約数和(自身を含む): 76081523328

約数和(自身を除く): 54606901488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12782513, 25565026, 38347539, 51130052, 63912565, 76695078, 89477591, 102260104, 127825130, 153390156, 178955182, 191737695, 204520208, 255650260, 268432773, 306780312, 357910364, 383475390, 447387955, 511300520, 536865546, 613560624, 715820728, 766950780, 894775910, 1022601040, 1073731092, 1342163865, 1431641456, 1533901560, 1789551820, 2147462184, 2684327730, 3067803120, 3579103640, 4294924368, 5368655460, 7158207280, 10737310920, 21474621840]

約数ペア:

[(1, 21474621840), (2, 10737310920), (3, 7158207280), (4, 5368655460), (5, 4294924368), (6, 3579103640), (7, 3067803120), (8, 2684327730), (10, 2147462184), (12, 1789551820), (14, 1533901560), (15, 1431641456), (16, 1342163865), (20, 1073731092), (21, 1022601040), (24, 894775910), (28, 766950780), (30, 715820728), (35, 613560624), (40, 536865546), (42, 511300520), (48, 447387955), (56, 383475390), (60, 357910364), (70, 306780312), (80, 268432773), (84, 255650260), (105, 204520208), (112, 191737695), (120, 178955182), (140, 153390156), (168, 127825130), (210, 102260104), (240, 89477591), (280, 76695078), (336, 63912565), (420, 51130052), (560, 38347539), (840, 25565026), (1680, 12782513)]