221121012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{138547}}^1$

素因数の和:138580

約数の個数: 48

約数和(自身を含む): 620695040

約数和(自身を除く): 399574028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 138547, 277094, 415641, 554188, 831282, 969829, 1662564, 1939658, 2632393, 2909487, 3879316, 5264786, 5818974, 7897179, 10529572, 11637948, 15794358, 18426751, 31588716, 36853502, 55280253, 73707004, 110560506, 221121012]

約数ペア:

[(1, 221121012), (2, 110560506), (3, 73707004), (4, 55280253), (6, 36853502), (7, 31588716), (12, 18426751), (14, 15794358), (19, 11637948), (21, 10529572), (28, 7897179), (38, 5818974), (42, 5264786), (57, 3879316), (76, 2909487), (84, 2632393), (114, 1939658), (133, 1662564), (228, 969829), (266, 831282), (399, 554188), (532, 415641), (798, 277094), (1596, 138547)]