21902916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1091}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 36803004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239, 478, 717, 956, 1091, 1434, 1673, 2182, 2868, 3273, 3346, 4364, 5019, 6546, 6692, 7637, 10038, 13092, 15274, 20076, 22911, 30548, 45822, 91644, 260749, 521498, 782247, 1042996, 1564494, 1825243, 3128988, 3650486, 5475729, 7300972, 10951458, 21902916]

約数ペア:

[(1, 21902916), (2, 10951458), (3, 7300972), (4, 5475729), (6, 3650486), (7, 3128988), (12, 1825243), (14, 1564494), (21, 1042996), (28, 782247), (42, 521498), (84, 260749), (239, 91644), (478, 45822), (717, 30548), (956, 22911), (1091, 20076), (1434, 15274), (1673, 13092), (2182, 10038), (2868, 7637), (3273, 6692), (3346, 6546), (4364, 5019)]