21224085

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 14338155

約数列:

[1, 3, 5, 15, 29, 87, 97, 145, 291, 435, 485, 503, 1455, 1509, 2515, 2813, 7545, 8439, 14065, 14587, 42195, 43761, 48791, 72935, 146373, 218805, 243955, 731865, 1414939, 4244817, 7074695, 21224085]

約数ペア:

[(1, 21224085), (3, 7074695), (5, 4244817), (15, 1414939), (29, 731865), (87, 243955), (97, 218805), (145, 146373), (291, 72935), (435, 48791), (485, 43761), (503, 42195), (1455, 14587), (1509, 14065), (2515, 8439), (2813, 7545)]