21463531492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{398033}}^1$

素因数の和:398128

約数の個数: 48

約数和(自身を含む): 43532182512

約数和(自身を除く): 22068651020

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 61, 68, 122, 221, 244, 442, 793, 884, 1037, 1586, 2074, 3172, 4148, 13481, 26962, 53924, 398033, 796066, 1592132, 5174429, 6766561, 10348858, 13533122, 20697716, 24280013, 27066244, 48560026, 87965293, 97120052, 175930586, 315640169, 351861172, 412760221, 631280338, 825520442, 1262560676, 1651040884, 5365882873, 10731765746, 21463531492]

約数ペア:

[(1, 21463531492), (2, 10731765746), (4, 5365882873), (13, 1651040884), (17, 1262560676), (26, 825520442), (34, 631280338), (52, 412760221), (61, 351861172), (68, 315640169), (122, 175930586), (221, 97120052), (244, 87965293), (442, 48560026), (793, 27066244), (884, 24280013), (1037, 20697716), (1586, 13533122), (2074, 10348858), (3172, 6766561), (4148, 5174429), (13481, 1592132), (26962, 796066), (53924, 398033)]