21305655448

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1115713}}^1$

素因数の和:1115768

約数の個数: 64

約数和(自身を含む): 51412101120

約数和(自身を除く): 30106445672

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 682, 868, 1364, 1736, 2387, 2728, 4774, 9548, 19096, 1115713, 2231426, 4462852, 7809991, 8925704, 12272843, 15619982, 24545686, 31239964, 34587103, 49091372, 62479928, 69174206, 85909901, 98182744, 138348412, 171819802, 242109721, 276696824, 343639604, 380458133, 484219442, 687279208, 760916266, 968438884, 1521832532, 1936877768, 2663206931, 3043665064, 5326413862, 10652827724, 21305655448]

約数ペア:

[(1, 21305655448), (2, 10652827724), (4, 5326413862), (7, 3043665064), (8, 2663206931), (11, 1936877768), (14, 1521832532), (22, 968438884), (28, 760916266), (31, 687279208), (44, 484219442), (56, 380458133), (62, 343639604), (77, 276696824), (88, 242109721), (124, 171819802), (154, 138348412), (217, 98182744), (248, 85909901), (308, 69174206), (341, 62479928), (434, 49091372), (616, 34587103), (682, 31239964), (868, 24545686), (1364, 15619982), (1736, 12272843), (2387, 8925704), (2728, 7809991), (4774, 4462852), (9548, 2231426), (19096, 1115713)]