21900480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3259}}^1$

素因数の和:3286

約数の個数: 112

約数和(自身を含む): 79491840

約数和(自身を除く): 57591360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3259, 3360, 6518, 6720, 9777, 13036, 16295, 19554, 22813, 26072, 32590, 39108, 45626, 48885, 52144, 65180, 68439, 78216, 91252, 97770, 104288, 114065, 130360, 136878, 156432, 182504, 195540, 208576, 228130, 260720, 273756, 312864, 342195, 365008, 391080, 456260, 521440, 547512, 625728, 684390, 730016, 782160, 912520, 1042880, 1095024, 1368780, 1460032, 1564320, 1825040, 2190048, 2737560, 3128640, 3650080, 4380096, 5475120, 7300160, 10950240, 21900480]

約数ペア:

[(1, 21900480), (2, 10950240), (3, 7300160), (4, 5475120), (5, 4380096), (6, 3650080), (7, 3128640), (8, 2737560), (10, 2190048), (12, 1825040), (14, 1564320), (15, 1460032), (16, 1368780), (20, 1095024), (21, 1042880), (24, 912520), (28, 782160), (30, 730016), (32, 684390), (35, 625728), (40, 547512), (42, 521440), (48, 456260), (56, 391080), (60, 365008), (64, 342195), (70, 312864), (80, 273756), (84, 260720), (96, 228130), (105, 208576), (112, 195540), (120, 182504), (140, 156432), (160, 136878), (168, 130360), (192, 114065), (210, 104288), (224, 97770), (240, 91252), (280, 78216), (320, 68439), (336, 65180), (420, 52144), (448, 48885), (480, 45626), (560, 39108), (672, 32590), (840, 26072), (960, 22813), (1120, 19554), (1344, 16295), (1680, 13036), (2240, 9777), (3259, 6720), (3360, 6518)]