21899970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1461

約数の個数: 80

約数和(自身を含む): 62029440

約数和(自身を除く): 40129470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1423, 1539, 1710, 2565, 2846, 3078, 4269, 5130, 7115, 7695, 8538, 12807, 14230, 15390, 21345, 25614, 27037, 38421, 42690, 54074, 64035, 76842, 81111, 115263, 128070, 135185, 162222, 192105, 230526, 243333, 270370, 384210, 405555, 486666, 576315, 729999, 811110, 1152630, 1216665, 1459998, 2189997, 2433330, 3649995, 4379994, 7299990, 10949985, 21899970]

約数ペア:

[(1, 21899970), (2, 10949985), (3, 7299990), (5, 4379994), (6, 3649995), (9, 2433330), (10, 2189997), (15, 1459998), (18, 1216665), (19, 1152630), (27, 811110), (30, 729999), (38, 576315), (45, 486666), (54, 405555), (57, 384210), (81, 270370), (90, 243333), (95, 230526), (114, 192105), (135, 162222), (162, 135185), (171, 128070), (190, 115263), (270, 81111), (285, 76842), (342, 64035), (405, 54074), (513, 42690), (570, 38421), (810, 27037), (855, 25614), (1026, 21345), (1423, 15390), (1539, 14230), (1710, 12807), (2565, 8538), (2846, 7695), (3078, 7115), (4269, 5130)]